Ported 241 heads

Re: Large-Port Commando Heads? Two lane I have two motors both are 59 deg motors and both have W9's on them and these heads are the heads for 48 deg. *All aftermarket cylinder heads feature bronze guides. It is a little late since I have had the heads reworked and ported. No springs or retainers included. 7 4. 76" exhaust. The port volumes were within a couple of cc’s of the 241 LS1 heads, and the peak flow differed by around 5 cfm despite the 706 heads having a smaller intake valve size. 00. Head porting for the do it yourselfer. The all new 237cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. The later “241” castings featured lighter valves, a more common center valve cover bolt configuration, and 260cc CNC Porting Package Our Budget CNC porting for GM L92's alleviates the primary restrictions in the head. Sale Regular price $2,395. All flow numbers for Flowtech - Steven Magnotti Ported heads come from them Contact updated Feb. N. 46 191. com/cnc-port-ls1truck-241-806-853-cylinder-heads-pair-p591. GM's #241 5. 310 Some heads are flowed are on my Brezinski slider setup. With only 205cc port volume (same as stock LS1 head) this is an incredibly 70 CFM increase over stock casting creating unbelievable port velocity and performance. 267cc Full CNC Porting Package Our Full CNC porting for GM 823 L92's is a great budget head for 600hp+ builds. 241 is the stock LS1 head. With power and torque numbers well above 400, it would be difficult to build a Mopar big-block or even small-block with similar power numbers for the cost. 3l's. 241 = $100-125 243 = $400-500 Hand porting job at a decent shop out here = $300-400 CNC porting from patriot = $600 As cast #’s are 1. 7-6. 3, ls1 hot cam, home ported 241 heads with z06 springs, edelbrock Ultimate LS Cathedral Port Cylinder Heads Guide. com › … › 4th Gen Camaro LS1 (1998-2002 Camaro)18/11/2009 · 241 are good stock heads. Pair of Mullen 426 Hemi aluminum dual plug heads 2600(these are also known as D4A heads) Engines: 1974 440 Block 200--- 400 Block 200 I have a 426 Hemi that use to be in an old pro stock 1968 Barracuda, The short block is assembled minus cam, if you are interested call and make a realistic offer Freshly Rebuilt 1954 Dodge Red Ram 241 Hemi-ported heads/intake-Can come with 3x2 intake and …’09 Hot Products Ultra Pro Magnum™ Rocker Arms Efi Induction Systems 18 15 Blackout Nitrous Systems™ 26 22 9 LSX R ™ 102MM Intake Manifold SBC CNC-Ported Iron HeadsA very common mod these days is to swap on ported heads. I am also interested in a place to find information on what are the best heads for sb chevy. LS 1 cast iron small block cylinder head. z28. or LQ4 heads, cast iron vs. Some prefer the low deck heads for better port velocity. procharger f1a 3. The new 237cc port has been flow bench tested to flow over 330cfm & can support everything from smaller camshaft street engines all the way to race engines. HerronPerformance , Nov 18, 2009The price listed is for you sending your cathedral port cylinder heads (4. N/A. The stock LS1 heads (241 castings) were run on the 408 to establish a baseline. 3 5. Head Porting – Going with the Flow. Tearing my heads off to inspect the valves after a spring blew apart. if you keep your 3. Our stage 1 porting service will include the Lingenfelter CNC ported cylinder heads have ports and chambers carefully designed to provide the best combination of high flow capabilities and improved port 2 nov. Make an offer!The all new 237cc cylinder head is custom designed for larger bore engines looking for max power out of a cathedral port layout. 600 exhaust valves with AFRs iron ductile interlocking valve seats. Last Post. bigger cam should see big gains with those heads. Discover Pontiac Ported Heads on sale right here with the biggest option of Pontiac Ported Heads anywhere online. pick your cam first before ya start your heads. Why settle for heads ported in someone's basement. 00" intake valves and 1. Save ported 241 heads to get e-mail alerts and updates on your eBay Feed. and they upgrade to the 243. You have it man. 300 191. 530 lift 109/116 degreed 6. Vortec Heads can be mildly ported for additional performance and milled Pete, I've ported alot of heads and have proven performance with them. 46 rear end, you could easily see 450whp with more fuel and a Fast 90/90 Working a set of 241 heads for a boosted 5. 00" intake valves and 1. 7L LS1 head casting is one of the most commonly available GM At only 15 cc over stock volume this particular port sees gains of over 50 cfm on This program works on the following head casting numbers: 241 806 853. GM LS1 Cathedral Porting Service. 6 Degree Ported Victor Bare Pro Port Cylinder Heads Pair $2,200. Lounge. 1 172. Valves Cylinder Heads Max Displacement Car & Driver Minimum Weight 4-valve OEM Heads (Un-Ported as cast) 302ci. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. 0L engine 317 or 241 heads. The guy wants $100 for them, and they were ported by thunder racing. 0L 4. All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology. The 331 and 354 heads require spacers, so that might make a good case for using 392 heads. 100% CNC Ported Intake, Exhaust, & Combustion Chambers; 100% CNC Nov 2, 2015 241 LS1 Head Porting #1. Ported Intake Runner Volume is 151 CC’s For more information on “302” Swirl port heads email RyanJ@shadydellspeedshop. No rockers, great condition 107k miles when pulled. 60 . . Like the ported heads from LPE, this pair featured 64cc combustion chambers but differed in both intake valve 03/11/2015 · Outling the shaping of the exhaust port including raising the roof . From mild builds to wild builds we have you covered. 6. Take a look at the area where the swirl ramps were showing how they blend into the back wall. The least expensive online catalog for all your Used Aluminum Heads needs. i was kind of talked out of LQ9s so i narrowed it down to these two options. PRC 247cc CNC Ported Cylinder Heads. No matter what you're driving, we have the right Pontiac Ported Heads for your automobile Re: heads Jan 03 2011, 4:48pm Having them shaved 0. Replies. aspxThis program works on the following head casting numbers: 241 806 853. 0 Gm Performance 88958758 Ls3 Cnc Threads Tagged with 241 . 250 raised exhaust port locations. Site Suggestions. Stock rocker arms will cause increased guide wear in applications over . 8L 5. We can customize these specifications and components to your application, just give us a call at 812-576-2371 Chevy Corvette With Chevy Small Block Gen I Engine 1979, Complete Cylinder Head by Trick Flow Specialties®. superchevy. The chambers are also fully CNC ported and Edelbrock includes extra material in the deck to allow fine tuning of the combustion chamber design if desired. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance street and light duty racing applications. The -11X may be purchased with a standard or spread exhaust port. Competition valve jobs. 600" - 180 (241) / 183 (243) The 243 heads have a D-shape exhaust port that improves flow and came with higher lift valves springs Both heads came with 2. Cylinder heads: CNC-ported LT1 Valves: LT1 Induction: MSD Atomic Air Force LT1 intake manifold and Katech 103mm billet throttle body Fuel: Direct injected with upgraded LT1 injectors, OEM DI pump, AFM disabled Oiling system: Factory dry sump system or Katech/ARE 2-stage (optional). Ya i would reccomend passing the 806 castings 97-98 heads flow considerably worse than the 241 LS1 heads 99-up heads. All nitrous bottles and solenoids must be removed from car and nitrous nozzles must be capped. diyPorting. These engines are hand built by the General Motors Performance Build Center in Wixom, Michigan. Rhs Sbc Cnc Ported Aluminum Heads 2. Indy sells the 6. 400 241 184. 3 Truck Heads Ls Heads 241 Heads CNC Ported 243 heads GM LS3 blue Discover Pontiac Ported Heads on sale right here with the largest choice of Pontiac Ported Heads anywhere online. I do not know who ported them, but I have had them flow tested and the results are below. com/how-to/engines-drivetrain/1712-surprising-hp-numbers-from-our-stock-ls-cylinder-head-testDec 22, 2017 The port volumes were within a couple of cc's of the 241 LS1 heads, and the peak . CNC port Cylinder Heads and machine Engine Blocks with the same machine! Now you can have the best of both! The A560 and the A590 are available with both Cylinder Head and Block machining fixtures! Port heads in the morning and Blueprint Blocks in the afternoon. The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. 0. 300. BRODIX is happy to introduce its new line of Race-Rite 24° cylinder heads. 030, forged TRW pistons, ported 62 heads, Hedman headers, 2. I plan on getting some headers and I've read up a little and heard the heads on this motor arent the greatest, so i was gonna look into some ls3 heads, i wanna look into a cam to but i dont know nearly enough about them to just go buy one, it's still Note: No cam seals have been installed on overhead cam cylinder heads, as one comes in your gasket set. $99. Customised designed port configuration to suit your own needs. The new 237cc port has been flow bench tested to flow over 340cfm & can support 4. 050 216/220 LSA 114 cam Home built manifolds/hotside GT45 eBay Turbo 80# injectors Ported 241 heads PAC 1218's Trick Flow 215cc GM LS Cylinder Heads, PN: TEA-LS215TF-CUSTOM. CNC PORTING ON YOUR STEALTH HEADS. 02 & 1. 0 202. • CCing Your Heads • 11/30/03 GT40P intake port mold and Mouse's ported E7TE intake mold added to Visual Aids column, Port Molds 2005 diyPorting. The Edelbrock part # 79559 Big Block Chevy E-CNC 355 cylinder head is the ultimate in performance. Pickup Location Info FED LS1 243/799/317/241/853 Cathedral Stage 1 Cylinder Heads (set) – Porting Service – Complete (Assembled) $ 1,259. Re: heads Jan 03 2011, 4:48pm Having them shaved 0. The range of original equipment GM LS cylinder heads offers decent performance out of the box, the mostly notable of which is probably the L92 head. Ship To: Pick Up At Katech Inc. 65 RR, 850 Q-jet, stock intake & tuned HEI; original owner. I have read some research on 2. Once ported any "advantage" the 241 cast had is moot. INDY Cylinder Heads Flow Numbers If this is your first visit, be sure to check out the FAQ by clicking the link above. The new 247cc port has been flow bench tested to flow over 360cfm. Fully CNC ported LS7-based cylinder heads! (All New GM LS7 Cylinder Head Castings or Performance Inductions 6 Bolt LS7 Heads) ***OUTRIGHT PER PAIR! NEW GM LS7 Cores or Performance Inductions 6 Bolt Heads! Based off PRC's CNC Ported LS7 Heads 2. 3 124. 241 Heads Discussion in '4th With a decent port and a valve job you are at or above 290/300cfm i'm sending my spare set of 241 off to tea to have them do a Home Products CNC Ported GM Cylinder Heads FED LS1 243/799/317/241/853 Cathedral Stage 1 Cylinder Heads (set) – Porting Service – Complete (Assembled) 241 cast heads were Die Cast which is a process that smooths up the ports a bit compared to the Sand Cast procedure that was done on the 806 and 853 heads. Spark plug tube with seals and Taylor boots. PRC Stage 2. Re: CYLINDER HEAD INFO gathered by DJOHAGIN Admin on August 6th 2009, 2:28 pm Set #3 was a set of new C-460 heads that we did for a street driven turbocharged engine. This procedure was seen as something of a black art, best left in the hands of the greatest of gearhead alchemists. Formally known as CID, our Aussie manufactured HRD Higgins LS-series cast alloy CNC ported heads are available to suit LS7, L98/LS3 ports for street and race applications. 600" lift. 18/06/2011 · Hi guys, Just a quick question for the fellas with ported 241s. First, on one of the cylinders the guide bosses have been completely removed. 065" bore combustion chamber, 2. Our stage 1 porting service will include the re-use of the stock vales. 5" midpipe, borla catback Afr Sbc 220cc Competition Cylinder Heads Cnc Ported Small Block Chevy 1110 65cc - $2,158. LSXR Intake Introduction 1. Genuine Arp 190-4306 Engine Porting and Polishing Order 24/7 at eastwood. Edelbrock Pontiac 12. 235"!!! Proper port size to get great flow while staying inside the exhaust manifolds or headers up to 1 7/8"Auteur : HeadFlowIncVues : 18 KTech: Port It Yourself - Cylinder Heads - GM High …Traduire cette pagewww. All flow numbers for For Hemis Only Ported heads come from their Web Site updated March '13. 7 Corvette Camaro Firebird Titanium Retainers Texas Speed Used and Recycled Pontiac Ported Heads. We have (3) options when purchasing the GPI Ported LS1/LS2 Cylinder Heads. net has already tuned several 2010 Camaro's, some with extensive mods such as custom cam and ported heads. Edelbrock will initially offer the heads in four distinct flavors. 8-liter truck engine), the LS1 aluminum head, the LS6 aluminum head with 63cc chambers, the LQ4 aluminum head with 67cc chambers and LS6 heads with larger ports and larger chambers. Dolmar 7900 ported? Discussion in 'Chainsaw' started by User Name Here, Feb 12, 2016. closed vs open chamber big block heads, and casting#s. I'm gonna buy and install an lq4 one of my buddies is gonna sell to me, its from a 99' 2500hd. 3 swap. Trick Flow™ Super 23™ 195 cylinder heads give you performance that closely matches CNC-ported cylinder heads—for about the BRODIX -18c Series Cylinder Heads/18 1188102 (CNC Ported) 1. 650-inch lift based on the preinstalled springs that the head will ship with. We also have a ready to race head, manifold and cam package for Speedway NZ Super Saloon racing. Shop with confidence. 8 Best cam for stock heads? Board Announcements. 200 135. 18/09/2008 · I've got a pair of X heads for sale, ported by Bobby Joseph @ BJR Racing. 201629 déc. 10/04/2011 · I picked up 48 rwhp just from the AI ported 243s. The port and polish basically makes it easier for air/fuel to flow into the combustion chamber and gasket matching permits a greater volume. 6sp manual. This is a fresh set of 241 heads cnc ported by TEA stage 2 Build went a different direction. BES Racing Engines now offers complete cylinder head packages. 241 cast heads were Die Cast which is a process that smooths up the ports a bit compared to the Sand Cast procedure that was done on the 806 and 853 heads. Each CNC ported cylinder head will have the exact same port and chamber configuration as the original master used to develop the CNC program. I. Take a look at the area where the swirl ramps were showing how they blend into the back  Surprising HP Numbers From Our Stock LS Cylinder Head Test www. 23/03/2007 · 6. Standard Core Exchange - We will swap out your useable cylinder heads with a freshly ported and prepaired set once we recieve them via your prefered shipping method or drop-off. 8L flat tops to the 5. Small Block Chevrolet Compatible Heads. New and Used Car and Truck Parts and Accessories On Sale 241. Add to Cart 241 CFM . W9 RP heads have . comTraduire cette pagewww. LS3 heads flow over 380CFM. Used (normal wear), Ls1 heads off of 2004 Pontiac GTO, doing ported heads so no need for these. Cylinder head repairing. Any feed back would be appreciated thanks. 5" to 3" slip-fit reducers 11136HKR $15 Clint - 2four8-563-6840 or 8one0-624-5771 Keywords: LSX LS9 LS7 LS3 L92 l99 l76 LSA LS2 LS6 LS1 6. My SBF ported stock 5. C. 14 0. These fully CNC ported 215cc heads are specifically designed for $2,395. 8l 4l80 6l80 6l90 gm ls ly6 lq4 lq9 lm7 some pistons will interchange but when put on 23 degree comp will go down a bunch. I have a set of CNC Ported 853 heads that came off of my 2000 Corvette LS1. 50 exhaust while the bottom head is the performance version (325hp and higher) used on 67-68 327 applications with 2. Ls1 heads off of 2004 Pontiac GTO, doing ported heads so no need for these. We were invited to Indy's shop to dyno test a 6. your never going to make great really race worthy competitive peak hp,from peanut port heads, on a big block chevy, but 450-475horse power from the heads in stock condition is doable hp, and getting to near 575 ft lbs of torque is doable, with ported peanut port heads and a properly matched set of components . 7l Aluminum Cylinder Heads Casting 241. 7L 6. 89 $ 99 89 Prime. All flow numbers for FLO Headworks Ported heads come from their Web Site. Im getting parts togeather for a cam swap at the moment and have picked up a set low k 243s, from what i have read ported 241 are better but the 243s give u a bump in compression and a bit more flow which should suit my smaller cam choice and my budget. Pair Of 241 Ls1 Gm Stock Cylinder Heads Ls 5. JMortensen 241 "Dedicated to keeping the classic Pontiac engine alive. com or call 800-345-1178 Basics Basic cylinder head polishing on OE cast iron heads can produce respectable performance gains. How to Port and Polish Big Block Chevy Heads. A. The LS6 and the later LQ9-LQ4 heads used reshaped intake ports and D-shaped -- as opposed to oval-shaped -- exhaust ports for better flow: 200 cfm intake and 70 cfm exhaust for the 241's, and 210 intake and 75 cfm for the 243's. 30/12/2008 · bbc vortec heads L-29 Page1 - Discuss Chevy High Performance, Car Engine, and Chevrolet Tech topics in the Chevy High Performance forums at Super Chevy Magazine. 2 60. LS6 Intake - 1 7/8 headers. basic clean up and I raised the exhaust port a tad. Nobody has numbers to back up their claims. The LS7 features a dry sump oil system and CNC ported 12 degree head castings. Versatile CNC Machine. If your not going to turn around 7500 and up dont run 18 degree stuff. Automatic Digitizing copies your original hand ported head, CENTROID's DP4 Digitizer runs on the CNC machine so no need for an extra digitizing machine. The first set the guy wanted minimal work done . 560/. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads …CHI Cleveland heads We have CNC port and chamber programs for the CHI alloy Cleveland heads. 0 Cnc Ported Ls1 Heads 5. 241 GM CNC ported ls3 heads $1,400 Comments - Baseline stage one performance camshaft for the 5. by Qauick. MMWS Stihl 461 vs. 60. T. Company. That way I can maybe compare the 2 head to head. PEANUT PORT HEADS ABOVE MAKE GOOD LOW RPM TORQUE BUT ARE RESTRICTIVE OVER MID RPM LEVELS ON A 427 or LARGER Vortec GenIII 5. We offer a variety of Ls Cylinder Heads for your automotive needs. Multiple port configurations. + CNC ported Ls1 heads 5. $399. 72" v/v s were installed on 71-72 402 and 454 365 hp 454 in 71 250 seems a little pricey for heads that have been altered in a questionable way. 00PriceThe CNC-ported LS9 heads blend the engineered strength of the LS9 cylinder head design, which is constructed with A356T6 aluminum alloy, with the airflow enhancements provided by GM's extensive testing. 050 . Includes a 69cc 4. 7 Corvette Camaro BES/Edelbrock Victor Heads: Price: This is an Excellent head for a 440 cubic inch or larger bracket race or street engine with a 4. Ls1 Cylinder . This was a cool dyno session, demonstrating the power a third-generation Hemi could make while remaining nearly stock. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. The ported 243's flow a max of 315-320 CFM and are 225 CC's after porting. CSI Automotive Sales, Service & Parts. The stock heads were removed to make way for a set of ported 5. Warren, Michigan: Dart Machinery, the undisputed leader in high performance engine blocks and cylinder heads, has joined forces with Duck… Dart Holiday Schedule We’ll be closed for the following dates: • Mon, December 24, 2018 (Christmas Eve) • Tue, December 25, 2018 (Christmas Day)…Indy sells the 6. 3l Head Swap Information Therefore, any other STOCK cylinder head swap yields a lower compression ratio. '14. Bolt on more horsepower with performance cylinder heads from Summit Racing! Shop cast iron, aluminum, CNC-ported, CNC-profiled heads & more. 100 62. Heads Formally known as CID, our Aussie manufactured HRD Higgins LS-series cast alloy CNC ported heads are available to suit LS7, L98/LS3 ports for street and race applications. BBC heads any good? for street use a good starting point is large oval port 781, 049, 359 or 241 castings. This is a discussion on 6. 020 intake and 1. 625 EXHAUST 119 172 214 233 242 250 175 241 261 270 274 . 02/02/2018 · your never going to make great really race worthy competitive peak hp,from peanut port heads, on a big block chevy, but 450-475horse power from the heads in stock condition is doable hp, and getting to near 575 ft lbs of torque is doable, with ported peanut port heads and a properly matched set of components . 11/32 stem, back cut valves 54ccs Average flow intake 236. In some cases, we may offer 2 different CNC ported versions such as our Stage 3 ported LA or magnum Edelbrock heads, and the BigMouth heads with pushrods moved over to widen the port at the pushrod restriction and increase the port volume. Therefore I dont think the porting would effect the vacume that significantly. 600" - 227 (241) / 257 (243) Exhaust flow at . ported 4v B heads 2. different cam specs will need a different shape port. 8 6. To help your comparison a little more, the ported 241 castings flow a max of about 295-300 CFM and are 215 CC's after porting. I have put over 20 working hours into my sunfire's head. NxtGen CNC ported 241 GM heads ! Best in the business # tremaniacracing # nxtgenengineering # ls1 # cnc # cncporting # no1. I See more of Fusccars on Facebook. PRC LS7x 285cc CNC Ported 400+CFM Heads Be the first to review this product Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Varying types of 243 Cylinder Heads on sale today! Heads Skateboard Gm 5. While often swapped out in favor of 243's, the venerable 241 is still capable of producing great power for the $ considering how cheaply the castings can be obtained. 392 heads are plenty acceptable, however for all out power, the large port 331 heads (1954-55) are superior. Ports are designed by porting shops, like us, to have a certain design, shape, size & volume. A good cam for ported 241 heads????? This is a discussion on A good cam for ported 241 heads????? within the Internal Engine forums, part of the LSx Technical Help Section category; There are some 241 heads ported couple years ago by MTI in houston. So, I'm going to keep my 317 heads and have the exhaust ports enlarged (ported) and have the intake ports matched to the manifold for better flow. 3L HO's and the Gen IV 5. If the cfm flow crashes, lifting the valve to that point becomes pointless. We can also offer\suggest a cam that would be best suited for your build and goals. 0L engine 317 or 241 heads. 560 @. Tremaniac Racing. Hooker 3. 19 intake and 1. We used heads just like these as we sell them to build 485HP out of a BUDGET 410 stroker for Car Craft magazine in the June issue. 95 Valve type. We went with heads from ARE and the heads came with the springs/valves pre-installed for our convienienceyour heads will probably come the same way. These new 24° heads are available in an oval or rectangular port. Some heads do not respond to our C. On the head flow chart below, it is not pointless because the flow rate is 4. FED LS1 243/799/317/241/853 Cathedral Stage 1 Cylinder Heads (set) – Porting Service – Complete (Assembled) $ 1,259. Armed with the right knowledge, the correct tools, and a couple of nights These are stock 241 ls1 heads off of my 04 Pontiac GTO when I upgraded to Ls6 heads. 33 196. 5-degree valve angle to the raised valve cover rail, relocated spark plugs, and rigid casting design, these heads have it all. what i did'nt know is that the vortec motor has large oval port heads but doesn Find ls1 ported heads ads in our Cars & Vehicles category. Removing the fl aws and imperfections that are found on OE heads and manifolds can improve air fl ow, allowing more air to reach the combustion chamber. Information On Car and Truck Repair, Parts and Services New, Used and OEM Automotive Parts For Do It Yourself Car and Truck Repair 1999 Chevy Express Performance Cylinder Heads. 79. Must be taking datums for the CNC from guide centrelines to get the port The price listed is for you sending your cathedral port cylinder heads (4. Updated June '07 — and were converted from 10" to 28". LS1 Higgins Race Heads | CNC Ported 241 When only the best will do, Higgins Race Developments & LSX Performance Parts have teamed up to provide you real instant Bolt On Power! Our current offerings allow you to fit up almost 30 years experience and development in the V8 Supercar scene straight to your bay! LME LS1 243 CNC Ported Heads w/ Expedited Core Exchange or Outright Purchase: $2,179. 7 Hemi cylinder heads. $1660. Now you can get this porting service on your cylinder heads at an incredibly low cost!Dec 29, 2015 Cutting the intake rocker boss out of the intake ports. If you wanna drop the compression even more than that, a set of 317 6. PRC's stage 2. you would like. MTI #170 LS1 CNC Ported Cylinder Heads ; MTI #170 LS1 CNC Ported Cylinder Heads GM Casting # 241 New MTI Racing Valve Spring and Retainer Kit New GM 45° LS1 We were invited to Indy's shop to dyno test a 6. com Shady Dell Speed Shop 2440 Commercial Blvd. When only the best will do, Higgins Race Developments & LSX Performance Parts have teamed up to provide you real instant Bolt On Power!GM's #241 5. 21/03/2014 · Just finished a set of 853 heads for the owner of my old VT2 SS, a mate just happened to have a set of fresh CNC 241 heads laying around from a real popular mob, makes a nice comparison of "you get what you pay for". Log In. 46 rear end, you could easily see 450whp with more fuel and a Fast 90/90 The price listed is for you sending your cathedral port cylinder heads (4. 600lift) and features 2. Stall converter is optional. I believe the 853 is from a TransAm. 3 Crankshaft 5. 2:1 CR 4. 25 Sort By Price Less Than $98 \ Less Than $186 \ Less Than $241 \ Less - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. you metioned you only want a mild cam so your heads wont need too much work. com : MOPAR PERFORMANCE MAGNUM R/T HEAD PORTING (click thumbnails for larger view) “INTAKE RUNNER” “INTAKE BOWL AND SHORT TURN” “INTAKE BOWL” FLOW #’s 2. 260cc CNC Porting Package Our Budget CNC porting for GM L92's alleviates the primary restrictions in the head. 201515 janv. 241 = $100-125 243 = $400-500 Hand porting job at a decent shop out here = $300-400 CNC porting from patriot = $600 If you have a high deck you can use low deck heads, though sealing at the top head to deck is marginal with 241 heads, especially on how the push rod holes are drilled in your deck. But yet on all forums they suggest swapping the 241 for 799 because they flow better. But on the upside, both respond equally well to porting. 100% CNC Ported Intake Porting cylinder heads has long been a right of passage for serious hot rodders looking to add power on a modest budget. 0L engine 317 or 241 heads within the Internal Engine forums, part of the LSx Technical Help Section category; hello, here is what i have: 99 s-10 5. Power Adders: Turbochargers, Superchargers, and Nitrous Oxide are prohibited. Aluminum rocker collars, Aluminum spark plug tube O-ring sealed. Sleeved Block The least expensive online catalog for all your Pontiac Ported Heads needs. 0L) have the 24x crank sensor wheel or is it the 54x wheel?W e are very happy to introduce the Indy/IMM small block mopar head! We believe $ per HP this to be the BEST out of the box cylinder head for the small block mopar on the market!350 Chevy-Stock vs Headers vs Q-Jet The graph shows that a stock two-barrel, 350 Chevy could hardly be considered a power house. 700 241 237 I only bring this up as the 1st set of CNC ported heads I flowed were also in 2006, and had The Trick Flow GenX® 220 performance cylinder heads come with 220cc intake and 80cc exhaust Fast As Cast runners that duplicate the port shape and profile of full CNC-ported runners. Given the minimal difference in flow and lack of power production 241 cast heads were Die Cast which is a process that smooths up the ports a bit compared to the Sand Cast procedure that was done on the 806 and 853 heads. The combination of mild cam timing and limited breathing through the two-barrel induction and stock iron heads resulted in peak numbers of just 241 hp and 359 lb-ft of torque. FED LS1 Cathedral Porting Service. Why settle for heads ported in someone's basement. 500 - 342 / 259 75. 3L 5. 3 in stock form, basically because they were designed for it. Plus if you are running a mod on alky use a good set of 23 degree CNC ported heads. Click Here to SEE why we build better heads!. I would be looking elsewhere for a leak. 165" lightweight intake valve, 255cc intake runner, and an 87cc exhaust runner volume. The GraveYard. Plus, 392 heads are far more plentiful than the large port 331's. 0L engine 317 or 241 heads within the Internal Engine forums, part of the LSx Technical Help Section category; hello, here is what i have: 99 s-10 5. 5 LS6 Cylinder Heads come standard with the following options: Higgins cnc ported 241 heads with 926 double springs They have approx 13,000klms and were on a running engine few weeks ago. Compared to the 1991 Chevy 350 L98 engine with Tuned Port Injection, These cams have “241” stamped on them by the Re: heads Jan 03 2011, 4:48pm Having them shaved 0. 1 engine we tested with un-ported heads for less than $7,000, and CNC porting is only a $600 upgrade. 241 . "----400 bored +. Keith Gandy, They are 10 pounds 1 ounce power head only no fluids. The ported heads from TEA increased the intake flow from 269 cfm to 329 cfm, a gain of 60 cfm Z28 Cam, ported 241 heads, headers 3" exhaust, 402hp. 0 Lower intake • The Infamous E6TE. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. 74 exhaust. HUG STEALTHCNCPORTED. 250"/1. BASIC EASY ORDER NUMBER: • WP 18 SP C Chevelle V8 Cylinder Head Casting Numbers - 1964 through 1972. procharger 3 core intercooler 8. I am looking at a set of stage 2 ported ls1 heads. 9. I've got some 441 casitng # heads and am wondering if any body has the background and performance rating on these heads. 3, LS1, LS6, LS2, LQ4/9) to us for porting. Armed with the right knowledge, the correct tools, and a couple of nights LS1 Higgins Race Heads | CNC Ported 241. 020 bore 9. Some say the 243 is actually a nicer casting than the 799. Other heads outright crash. 8/5. What coreshift does is alter the port shape and alignment in manifolds and cylinder heads. This time some off of a 6. 3 heads. 5 SS dual exhaust X Pypes, Comp 276AH10 cam, Scorpion 1. Patriot Performance LS1 / LS6 / LS2 Series heads come fully assembled and can handle blown or nitrous applications. 0 - Duration: 7:21. Roller rockers can help to reduce this wear. Our heads come right in the middle at 240cc," Mike Downs of Trick Flow "Our new big-block Chrysler heads flow 334 cfm on the intake side, and 262 cfm on the exhaust side. The result is near CNC-ported power and performance for the same price as ordinary cast cylinder heads. BES Racing Engines now offers complete cylinder head packages. These heads are fully CNC ported and have our priority racing valve job. the reason WHY the optionally fully CNC ported heads flow so well brodix 303 / 241 79. Once ported any "advantage" the 241 …Aussie manufactured Higgins LS-series cast alloy CNC ported heads. I am debating whether or not to get a set of ported 241s when i get a cam change, I am going for a 228 230 110 or 112 cam and want to know if the $1500 or thereabouts for what only seems to be a small hp gain is worth the cash as the standard heads are pretty good anyway I thought. com > Readme. Quantity. Save space, save money, you can do it all with a CENTROID. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads. State College, PA 16801 (814) 308-8058 (Please leave voice mail if no answer after 30 seconds) Email us here: dart69360@hotmail. 3 ported heads for around 1200 as was previously said. I am going to increase the intake valve size. Single exhaust port or duece ? sawmikaze, Sep 6, 2016 #2. 02 intake and 1. 02, Exhaust 1. Head castings are identical regardless across the board which honestly is all that anyone should really care. I sold 243's not 241's Last Not entirely accurate, an LS with some mildly ported heads will make more power on less boost than stock ports, you can get l98 heads cnc'd for around $1500 which is cheaper than rebuilding a blown motor because you forced another 4psi down its throat. 00 Even so, the're pretty much in agreement with the flow data at the Brodix website for ported heads. Views. Huge midrange torque. 06/1. The first has to do with port shape. Many are capable of flowing more than 400 cfm and their 6-bolts-per-cylinder clamping design gives them bomb-proof strength. ported/welded shortrunner 96-98 intake 7. 7 heads from Total Engine Airflow. Take these heads and have them Custom CNC ported by a company like West Coast Cylinder Heads and now you are talking some serious power potential!Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, 241 cast heads were Die Cast which is a process that smooths up the ports a bit compared to the Sand Cast procedure that was done on the 806 and 853 heads. Cylinder head porting isn't what it used to be. The flow chart below shows a very minor amount. • Fully CNC ported combustion chamber • Deck thickness of . " W9 RP hand port development, in house at Shady Dell will occur winter 2004/2005. Let me flow your heads and you will know how good your head is. Factory valve covers with spacers and new gaskets. Note the flow on our fully CNC ported heads). A variety of OE Gen 3 heads are available, including an iron small port (initially used on the 4. ported 241 headsAug 22, 2011 Generation III External Engine - ported 241 heads? - I'm at the moment. 79 . 235"!!! Proper port size to get great flow while staying inside the exhaust manifolds or headers up to 1 7/8" There are three basic differences between the LS1 and LS6 heads. 6, Max 275CFMA very common mod these days is to swap on ported heads. NEW BARE CATHEDRAL PORT CHEVY/GM ALUMINUM The port volumes were within a couple of cc’s of the 241 LS1 heads, and the peak flow differed by around 5 cfm despite the 706 heads having a smaller intake valve size. LS1 heads, have been milled, ported. 050 lift. Call to discuss your build requirements. BR 7™ LS7 Compatible Series Cylinder Heads/12° BR 3™ Series LS3 Compatible Series Cylinder Heads/15° IK® Series Cylinder Heads/23° Race-Rite® Small Block Series/23° Dragon Slayer Series Cylinder Heads/23° Track 1® Series Cylinder Head/23° Head Hunter™ Series/23° 11 X These aluminum masterpieces of performance feature port and chamber designs based on popular and performance-proven production-style heads, such as the LS3/L92 and LS7 heads. 08" valve pushes the air/gas mixture straight into the cylinder, hits wall, that causes turbulence, and the 2. They need valve seals and assembly. 241. 3L with dished pistons as it will lower your CR! GM added the 4. API ported heads set the standard with an industry leading CNC port design and a NEWEN Epoc single point valve job. 24/03/2011 · Edelbrock heads no valve size change ported Intake 2. do NOT contact me with unsolicited services or offers Torspd Custom Turbo kit [] Borg Warner 9180EFR Turbo [] ProEFI Pro128 EMS [] TiAL Q BOV [] TiAL V44 Wastegate @ 15psi [] CP Pistons [] CP Carrillo Rods [] ARP Head studs [] ARP Main Studs [] ARP Header - Head Studs [] Ported Heads w/ 1mm oversized valves intake/exhaust [] Brian Crower Forged Stroker Crank [] Darton M. When we decided to sell After-market Performance cylinder head the decision was easy! When performance counts, Patriot Performance Stage II/III CNC-ported cylinder heads for the LS1 / LS6 / LS2 series engines. 08" intake valves, that the 2. Rebuilt rocker arm assemblies with converted adjustable rockers, chrome molly cup type adjusters. the 243s are better. 0 heads will fit the bill and they flow even better than the 241's do. 55" exhaust bigger cam should see big gains with those heads. The sbc bore for the Brezinski is 4. From a heads cam LS build to a moderate power adder street car. Chamber Size. "The current heads on the market range from 210 to 270cc in intake port volume. Without adequate airflow, the engine will never make power. 10/11/2018 · I have my second of heads now to port off the GM LS engine. S. When only the best will do, Higgins Race Developments & LSX Performance Parts have teamed up to provide you real instant Bolt On Power!Im getting parts togeather for a cam swap at the moment and have picked up a set low k 243s, from what i have read ported 241 are better but the 243s give u a bump in compression and a bit more flow which should suit my smaller cam choice and my budget. 3l & the new compression ratio with each head installed. 5 LS6 CNC Ported Heads fits the following vehicle(s): 1967 Chevrolet C-10 1968 Chevrolet C-10 1969 Chevrolet C-10 1970 Chevrolet C-10There are a wide variety of OE, original equipment GM LS cylinder heads that flow excellent numbers and perform right from the production line. 02 CNC port Cylinder Heads and machine Engine Blocks with the same machine! Now you can have the best of both! The A560 and the A590 are available with both Cylinder Head and Block machining fixtures! Port heads in the morning and Blueprint Blocks in the afternoon. have them ported by a good place and lay down some good number. We went with heads from ARE and the heads came with the springs/valves pre-installed for our convienienceyour heads …03/05/2014 · Porting gets expensive fast! I've personally seen the 170cc heads on a 340 inch SBF run 8. 00 Refine Pricing Under $62 \ Under $178 \ Under $241 \ Under $445 \ Under $738 \ Under $836 \ Under $1119 \ Under $1975 \ Under $2553 \ Under $3481 Items Order Relevant \ Ending \ Lowest \ Highest Prices \ New Items I read an article that found the stock 241 heads actually dyno better than 799 heads on a 5. Cylinder heads are normally date coded in the form of a letter for the month (see table below), two Home > Shop HEMI Parts Catalog > HEMI Bolt On Performance Parts > Air Intake System > HEMI Intake Manifolds HEMI Intake Manifolds Smooth out the air entering your heads and remove the lip behind your larger diameter throttle body with a ported intake manifold. 60's with a healthy dose of boost. ported 241 heads 2000 Csmaro Z28, LS1 engine, 6-sp manual transmission. CNC Ported Heads. 600" - 180 (241) / 183 (243) The 243 heads have a D-shape exhaust port that improves flow and came with higher lift valves springs Both heads came with 2. machined chambers so we do not offer them. Once ported any "advantage" the 241 …Formally known as CID, our Aussie manufactured HRD Higgins LS-series cast alloy CNC ported heads are available to suit LS7, L98/LS3 ports for street and race applications. 1966 Oval port head; notice tapped bosses for spark plug shields. 853 and 241 from 1999 to 2004 The LS6 casting numbers:-243 between 2001 and 2006. The wizardry of building a big hp early hemi hasn't been documented very well over the years. Ported Head was flowed with 2. These heads produce surprisingly good flow and performance and are suitable for power builds. 1993 GMC Typhoon Gen 4 5. Stock LS3 heads or ported 243s? which you rather have? and why? i figure if i go LS3 heads/intake/fuel injectors, i can gain some HP then resell the stock 243s, my ported LS2 intake and stock fuel injector and pay about the same price as a set of AI ported 243 heads. 5L Hemi on the street. aluminum Discussion in ' I sold my 317 heads locally for $200 and a set of 243's for $450 locally too. Stay tuned. For the flow remember bigger is not always best. The all new 247cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. Take these heads and have them Custom CNC ported by a company like West Coast Cylinder Heads and now you are talking some serious power potential! LS1, LS6 and LS2 heads feature cathedral shaped intake ports and measure 3. 13/07/2006 · It would be nice to see some recent flow numbers on stock and ported heads. Multi use machine: Port Cylinder heads and intake manifolds, machine combustion chambers, engrave letters, numbers and symbols, add o-ring grooves and more. The cylinder heads, with the larger valves, flow an incredible 370 cfm. Shade Tree Head Porting. The 255 LS3 heads feature's an all new ultra efficient 12Deg design which flows exceptionally well and still keeps the runner volume and valve sizes basically stock. DODGE 241/270 HEAD CORES SPRINGS & TITANIUM RETAINERS & KEEPERS ( part no. The Origin of the Dodge “Hemi” Motor the hemi head design permits better port location and alignment (compared to a wedge motor). GM's #241 5. Dart Machinery Joins as Title Sponsor of LightsOut 10 and 11 Warren, Michigan: Dart Machinery, the undisputed leader in high performance engine blocks and cylinder heads, has joined forces with Duck… 241 heads vs 243 heads. Hand port 853 LS1 heads Vs CNC 241 If this is your first visit, be sure to check out the FAQ by clicking the link above. From the 13. Max 3025 lbs. Precision Race Engines Aluminum Small Block Chevy Cylinder Heads Intake 153 205 241 261 266 269 270Exhaust 108 136 162 181 192 198 202 (no pipe)Add $300 for Your LT1 is pretty stout but a cam swap can send it over the top. The early 241 and 270 No! I have those heads and they are a good large oval port head. Considering they were API Ported Heads and Head Packages API ported heads set the standard with an industry leading CNC port design and a NEWEN Epoc single point valve job. Refundable Core Purchase – Would you like to purchase a set of heads and receive a credit for your OEM heads? Once you receive the new ported heads, just send us your OEM heads for a $500 core refund. 75" Click the button below to add the MAST LS3 Small Bore Cylinder Heads to your wish list. Typical gains are 15-30rwhp, along with the benefit of a complete professional rebuild. Member's Rides Wh ls1 heads Discussion in 'LSx Even on my stroker I stuck with the 241 and got them stage 2 cnc ported and they worked out killa. Head milling questions. LS1 Higgins Race Heads | CNC Ported 241. General Motors produced seven versions of the LS engine, most of them with different heads. txt > Features • Valve Seat Issues • 5. You should see a 50 increase with the heads and the 102 intake. D. . 010"+ bore street or race engines. They are on a 406 sb. They are similar, though greater variation can be seen in Mast’s newer castings, particularly the large-bore and splayed-valve designs. The early 241 and 270 A very common mod these days is to swap on ported heads. 155 for BBC it is 4. Shop for discount Used Aluminum Heads here. LS7 heads flow over 400CFM. That will be all you will need. 360 bore. Once ported any "advantage" the 241 …Total Engine Airflow specializes in CNC-PORTED cylinder heads, custom cylinder head assemblies, and support components for GM, Ford, Mopar and many other makes for street/strip, competition, and racing applications. 00Price These ascast heads offer all the great features and nearly the performance of the CNC-ported heads, but at a better price. One of the heads has some issues. LME LS1 243 CNC Ported Heads w/ Expedited Core Exchange or Outright Purchase: $2,179. Feature in GMHTP here. Here, we will explore many facets of race and offroad engine part porting. , one of the world’s premier performance engine builders, has expanded its line of proprietary CNC cylinder head porting services for several late-model General Motors LS/LT engines, including LS1, LS2, LS3, LS6, LS7, LT1, and LT4. i had a set of 241's flowing 630hp with over sized valves making 310rwkw so you will have no trouble getting power out of your heads. You could bore to the LS1 pistons run them and get a set of ported 243's. 7L LS1 head casting is one of the most commonly available GM castings out there. 95 Add to cart FED LS7 285cc Cylinder Heads (set) – Complete Cathedral Port Heads to Rectangle Port Qauick Cylinder Head Stud Kit for Chevy LS1 LS6 LS2 1997-2003 4. 05" FERREA Valve with 30 degree back cut and a 24 degree radius exhaust valve. No springs included $1000 obo Trades welcome Text works best The all new 247cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. Extending the performance range of the LSX platform are Chevrolet Performance's new, 6-bolt LSX cylinder heads. Afr 1630 Lsx 230cc Mongoose Cnc Ported Cylinder Heads Ls1 Ls2 Ls6 Valve choice for oval port BBC heads Sign in Sam (Bones) 241 Sam (Bones ) I wanted to have the heads ported but i guess if he has already installed the valves 0. 78”/1. These heads feature CNC ported spread intake ports and raised exhaust runner design for improve flow efficiency. For each engine type we can offer three different levels of service; CNC porting only (for engine shops), or CNC porting plus all other machining (guides, seats etc) ready for you to fit your own parts, or fully assembled with all work done ready for you Katech Expands Cylinder Head Porting Services to Include LS Engines Expansion part of strategic vision to provide ported engine systems later this year Katech Inc. He said they need to be repaired/machined though. new valve guides with positive viton seals. 05" vs 2. 2L 6. 3, ls1 hot cam, home ported 241 heads with z06 springs, edelbrock 14/02/2009 · The 241's will drop the compression and do flow better than the factory 5. kooks 1 3/4" to 3" headers, kooks 3" to 2. Depending on the application, the L92/LS3/LS7 cylinder head can support well over 1000+ horsepower. 01-04 Corvette C5 Ls1 Cylinder Heads Head Set 241 Castings Aa6369 . 99. The air finds resistance in the higher lift range. Can be ported but again most go with a 243. com - All PRC 247cc CNC Ported Cylinder Heads. 3, LS1, LS6, LS2, LQ4/9) to us for porting. 57. 4 . Complete CNC cylinder porting and CNC seat cutting. This can be seen or it is known as the port is stalling. int exh (w/pipe). I plan on getting some headers and I've read up a little and heard the heads on this motor arent the greatest, so i was gonna look into some ls3 heads, i wanna look into a cam to but i dont know nearly enough about them to just go buy one, it's still Are you keeping the cam as is? Just the ported head swap for now? Since you own a 04 ls1, is the 05 model (6. Then the ports were digitized and programed into the CNC machine and heads ported from that program. The 706 heads bested the 241 heads by roughly 10 hp, but down low the 706 heads improved torque production by as much as 20 lb-ft. 233/Exhaust . No overlap at . Trick Flow 215cc GM LS Cylinder Heads, PN: TEA-LS215TF-CUSTOM. Higgins cnc ported 241 heads with 926 double springs They have approx 13,000klms and were on a running engine few weeks ago. 0 heads out flow and way out-perform Edelbrock heads. 3. Reuse Factory Intake Valves: 2. 55" exhaust Proper port size to get great flow while staying inside the exhaust manifolds or headers up to 1 7/8" Bowl cut, bowl blend, guide work, blend the short turn, raised port gets you 210cfm+ exhaust flow. Shady Dell Speed Shop is one of the few shops in the country who have ported multiple sets of the newly released Large Port Commando cylinder heads. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads …Below is a list of engine makes and models that we have developed CNC porting programs for. com › GM High Tech Performance › How ToPorting cylinder heads has long been a right of passage for serious hot rodders looking to add power on a modest budget. 100% CNC Ported Intake 241 is a 01-02 head also used on corvettes, and GTO's LS6 is 243 With a ton of port work and some big valves they CAN flow 340cfm(stock is about 260cfm), but that is HAWGED tf Out 243's can go just a little more Intake port volume - 200cc (241) / 210cc (243) Exhaust port volume - 70cc (241) / 75cc (243) Intake flow at . 700 lift and have 64cc or 68cc combustion chambers. Thread / Thread Starter. This shift always causes a reduction as far as airflow and power are concerned. like it's more cleaned up inside but I really don't know that for sure. 7 LS Series Cylinder Heads Please phone or email us for prices and ordering. You can identify which head you have by looking at the three-digit stamping next to the valve cover; for example, the LS1 used head castings 339 and 806 through 1998, and 853 and 241 from 1999 through 2004. LE Heads . - head2 ) Hemi Cylinder Heads Cylinder heads fit 301, 331, 354 and 392 Chrysler Hemi 241 heads vs 243 heads. katechengines. Ported and polished triple nickel heads, new Ferrea valves. 201522 Aug 2011 Generation III External Engine - ported 241 heads? - I'm at the moment. Re-surfacing and milling. Examples of this are the 84 & 88cc chamber big block Edelbrock heads. New Member Area. For now all I am going to do is the cam. I not sure why Mopar said that you can't put W9's on a 59 deg motor. Brzezinski Racing Products We modify your cylinder heads! We have performed back-to-back tests on several different types of cylinder heads and we have not found What are the flow rates of 1G / 2G heads? Similar Questions: What are the flow rates of ported heads vs stock heads? 241/-270/-298/-309/- 1. 88 exhaust I should say too this would be a competition level ported head, again maybe not your cup of tea. We went with heads from ARE and the heads came with the springs/valves pre-installed for our convienienceyour heads …03/09/2005 · I am looking for a cam that will work good with nitrous also. 3L when they switched to the 243/799 heads on the 5. Cnc Ported Ls1 Heads 5. V8muscle. Now you can get this porting service on your cylinder heads at an incredibly low cost!26 Nov 2015 Nice, a stable 241 head that flows good numbers is a rare thing. 1997-04 Chevy Corvette 5. GT32 CAM DURATION 225/241 If the 162cc Holden head were the same port length as my Ford 225cc trickflow HP's or a set of LS1 heads they Back yard ported 308 hj heads 249cfm 08:44 PM #241. 8L/5. W9 RP hand port development, in house at Shady Dell will occur winter 2004/2005. 450 HP 433 TQ, to the tire. LS6 243 Heads. That said, the difference in airflow through a ported/non ported head at idle would be marginal (real gains occur at high flow times, see bench tested flow maps of ported heads). 05" is the best option for LS1 heads. They are easily identified by the engraved LSX logo on the ends. 20 Aug 2007 I was looking at having my stock heads ported and was wondering if there is any benefit to running the ported 241's over the ported 243's 5 Sep 2013 I dropped her off at my builder last Saturday to have the heads done. i went from 385whp to 422whp going from a small cam to a larger one with my ported 241 heads. Drag Cars: Cylinder Head Porting; LS1 241 Vs. 1 Hemi with a set of CNC ported 5. The top head is the 'lower horsepower' version (300hp and under) used on 67-68 327 applications with 1. The first will come fully CNC ported with ductile iron seats and stainless valves and will be intended for use with camshafts up to . 94 intake and 1. 60” Ferrea 5000 Series, No Back Cut. 7 Corvette Camaro Firebird Titanium Retainers Texas Speed. big block head comparison. 550 271 195 As you can see they flow very well and they have incredible intake port speed. $350 for 241 heads $325 for Richmond 4:10 gear and rear cap support cover $125 for asp under drive pulley All prices are negotiable give me a call or txt for pics . It is also interesting to note that there are significant gains to be had with tuning even with the car being otherwise stock, as is the case with other recent cars such as the G8 and GTO. Video. I don't plan on putting on differnet heads or a different intake. This head is a great flowing 23° head out-of-the-box that BRODIX offers. (more gas and air equals bigger/more powerful explosion equals more torque and horsepower) Keep in mind that this is a very large project. I doubt there's much (if any) difference betwen a 1955 triple-nickel head …18/09/2008 · I've got a pair of X heads for sale, ported by Bobby Joseph @ BJR Racing. Cylinder Heads. We offer a plethora of Pontiac Ported Heads for your vehicle needs. As cast #’s are 1. 125” high by 1” wide. They will have the AI HCR 241with BTR dual springs and titanium GM's #241 5. ported 241 heads? LQ4, ported 241 heads, TR224/230 111. 99 $499. The "bigger is better" approach espoused by old-school mechanics actually can 06/11/2018 · Also note below, the ported heads intake flow slightly dips. Ls1 241 ls1 heads brought them for my car to get Complete CNC cylinder porting and CNC seat cutting. Dart Machinery Joins as Title Sponsor of LightsOut 10 and 11 Warren, Michigan: Dart Machinery, the undisputed leader in high performance engine blocks and cylinder heads, has joined forces with Duck… Subject: 441 sb chevy heads: Comment: I've got some 441 casitng # heads and am wondering if any body has the background and performance rating on these heads. Forum. 610" Valves AFR CHEVY SBC ELIMINATOR HEADS 195cc 65cc FULLY BUILT 1034HR for sale in Kingsport, TN, Price: $1,695 Intake . 08/12/2011 · Stock LS3 heads or ported 243s? which you rather have? and why? i figure if i go LS3 heads/intake/fuel injectors, i can gain some HP then resell the stock 243s, my ported LS2 intake and stock fuel injector and pay about the same price as a set of AI ported 243 heads. Can it be done yes, is it ideal no. 080" intake. The 315cc heads are AFR's largest and best flowing BBF heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, and high quality components throughout with . 57 valves - Precision Dual Spring Kit with coated Ti retainers. LT1 LE1 Heads 360 – 400 Click Here to SEE why we build better heads!. In-house cylinder head research and development programs available using the latest flow benches and Serdi seat cutting equipment. Oval port heads with some bowl work (pocket porting) and a 4 angle valve grind, no port hogging, can make serious power. HeadFlowInc 2013 LS3 Heads W/ F. 3 w/ . 2. Buy and sell almost anything on Gumtree classifieds. Stock LS1 heads flow 241 cfm. Wet sump also available for Camaro applications. 05 1. avenger heads good ? or are these the same as procomp . This guy helped me make a street/strip Caprice with an LT1 run 11s on a junkyard shortblock naturally aspirated. Find great deals on eBay for ported 243 heads. 5. CNC Sportsman Ported heads 280 cfm. Outstanding turbo/supercharger cam. I already had the ported fast 90. Therefore, you will not be charged for the core exchange. I have a big block chevy book and it calls those heads out buy casting number 241 as an excellent set of street performance heads. 000″; Reuse Factory Exhaust Valves: 1. We offer offer 3 different levels of work on LT1 heads. Sure the porting helps but you should be able to come up with a nice set of LS6 or 5. Same Info applies to the: 4. 100% CNC'd 219cc GM LS1 Cylinder Head Package. View Details. No! I have those heads and they are a good large oval port head. Pair up one of our custom grind cams with a set of CNC ported heads and lay down some wicked dyno numbers and some epic new track times. 700" 360 CFM Precision Race Components LS7 CNC 285cc ported cylinder heads. Early LS1 (VTII) had 853 Heads including HSV Variants, VX (LS6 Variant) had 241 Heads and pretty much every other performance variant ie: HSV, had 243s including the 6litre variant. and have comp cams 926 valve springs which were only put in a few months ago You don't want LS1/LS6 241/243 heads on a stock 5. Our Stage 1 ported GM cathedral port porting services are EXACTLY what your ride needs to put the power to the ground. Flow bench testing. 0L 33380 LQ9. All of our different levels of porting feature excellent quality port work and craftsmanship. 600" - 227 (241) / 257 (243) Exhaust flow at . Cylinder Head by Chevrolet Performance®. 1. bbc vortec heads L-29 i tried to do as much research as i could before buying one. February 4 at 1:29 AM · When we decided to sell After-market Performance cylinder head the decision was easy! When performance counts, Patriot Performance Stage II/III CNC-ported cylinder heads for the LS1 / LS6 / LS2 series engines. Two myths arose from this era of ignorance regarding port flow. 95 Add to cart FED LS7 285cc Cylinder Heads (set) – Complete AFRs LS1 head offers unmatched flow performance (300 CFM at . Some heads are flowed are on my Brezinski slider setup. 500 267 193. 3L Truck 862 and 706 Head castings While the 706 11. Headbytes Porting  CNC Port LS1/Truck 241, 806, 853 Cylinder Heads (PAIR) – Katech store. This part number is based on the customer supplying brand new 440 Source Stealth Heads (add $125 if heads have been run). 241 BB Chevy heads: 2. and have comp cams 926 valve springs which were only put in a few months ago By CNC porting the cylinder heads the high cost of hand porting is reduced, plus the CNC porting is more consistent and will produce better results. 241 is a 01-02 head also used on corvettes, and GTO's LS6 is 243 With a ton of port work and some big valves they CAN flow 340cfm(stock is about 260cfm), but that is HAWGED tf Out 243's can go just a little more Intake port volume - 200cc (241) / 210cc (243) Exhaust port volume - 70cc (241) / 75cc (243) Intake flow at . also on 18 degree you will need a different cam. 800" Raised intake ports. 550″; Intake Volume: 224cc; Exhaust Volume: 82cc The price listed is for you sending your cathedral port cylinder heads (4. Un-Ported or Ported OEM cylinder heads only. CNC Port LS1/Truck 241, 806, 853 Cylinder Heads (PAIR) CNC Porting Service List: $899. 400 241. Below is a list of all known stock head options for the Vortec 5. I run 18 degree heads and have ran 23 heads. By combining our own cylinder head knowledge and experience, extensive computer simulations, many hours of flow bench testing, consultation with race teams and engine building specialists, CHI have developed a number of CNC porting programs for the LS series of cylinder . The result is a ten percent improvement over the unported LS9 head. 22/02/2014 · 346" LS1 - Stick - 241 heads with 2. The most powerful small bore LS3 cylinder head, available on the planet! These small bore LS3 rectangular port cylinder heads are built from scratch using the proven CNC port configurations from MAST with our PAC Racing/FTI valvetrain components. Recreational. 03/08/2009 · Hey guys. 5 LS6 Cylinder Heads come standard with the following options: Total Engine Airflow specializes in CNC-PORTED cylinder heads, custom cylinder head assemblies, and support components for GM, Ford, Mopar and many other makes for street/strip, competition, and racing applications. In our experience, apples to apples the ported 243's are worth about 20 RWHP over ported 241's (with a similar torque curve down low). BRODIX recommends this head be installed on a 400 cu in or larger engine. CNC PORTING ON YOUR 440 SOURCE "STEALTH" (RPM STYLE) HEADS. Emphasizes a balanced engine with the RLD cylinder heads and ported intake. The BRODIX Head Hunter CNC Oval Port heads are ported to 225cc and 234cc Raised Intake runners that flow 335 & 345 cfm at . Vortec GenIII 5. 450 262. Share on Facebook Tweet on Twitter Pin on Pinterest. This is the first D port head on the market to incorporate the latest developments in cylinder head technology into it. Working the Angles If you have a high deck you can use low deck heads, though sealing at the top head to deck is marginal with 241 heads, especially on how the push rod holes are drilled in your deck. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. Click Here to SEE why we build better heads! All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology. Outling the shaping of the exhaust port including raising the roof . 7L LS1 head casting is one of the most commonly available GM castings out there. LME LS1 243 CNC Ported Cylinder Heads w/ Core Exchange: $1,929. Going by flow rate numbers of the heads the stock LS6 heads could potentially produce aroundt 5 percent more power than stock LS1 heads, and maybe a bit more because of the smaller combustion chamber's bump in compression. 700 353 209: 407 246: Share. yes I have ported heads 5. When we decided to sell After-market Performance cylinder head the decision was easy! When performance counts, Patriot Performance Stage II/III CNC-ported cylinder heads for the LS1 / LS6 / LS2 series engines. CNC Ported 318 Poly Heads We spent some serious time (and money) porting the head till we felt we came up with good flow #'s without getting too aggressive. The Virtual Lounge. Engine dyno testing has shown these cylinder heads support over 650 flywheel horsepower in 408cid applications. If you can get 243 Heads definately get them if inside your price range but if not, then ported 241 heads will do nicely. Precision Race Components LS7 CNC 285cc ported cylinder heads. You may have to register before you can post: click the register link above to proceed. 030" is worthwhile, and getting them ported will help high-rpm power, but switching to other castings is a waste of time and money. Auteur : Tony AvilaVues : 4,3 000241 Heads | Camaro Forums at Z28. 8/5. 7L LS1 head casting is one of the most commonly available GM We are happy to build your heads with whichever spring kit, valve, etc. Here is a look at two molds made from Chevrolet Performance’s CNC-ported L92 head (left) and an early Mast Motorsports small-bore LS3 casting (right). AFRs LS1 head offers unmatched flow performance (300 CFM at . 50” valves, Ported is with 2. Cutting the intake rocker boss out of the intake ports. customgrind lazer cams 241/241 @. I would get them cut for 2. This page is for the DIY (Do It Yourself) porting enthusiast. 02”/1. I also want to have the heads milled/shaved to boost compression a bit and get a torque cam similar to the "HD Tow Stick" or the "Ultra Torque" by Vinci. But back on track. com I should say too this would be a competition level ported head, again maybe not your cup of tea. buddy had his 241 CNC'd and put down 430 RWHP in a GTO. Makes me anxious to try his LS stuff