What did 243 heads come on

Trick flow 228/230, K&N CAI, Beehive Springs,Hardened 7.4 length Push rods,Spintech Catback Exhaust. The rest of the car has stock manifolds,stock intake,stock cats,stock 241 heads. I pass smog and put 365 to the wheels and 352 pounds of torque. I have a simple set up and I will be installing AI 243 heads and shorty Headers with in this month.

The L96 engine is a 6.0L Gen. 4 small block engine used in GM trucks and SUVs from 2010 to 2017. It replaced the LY6 and added Flex Fuel capability. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for a stock L96 engine. Mechanically similar, General Motors' LS and LS-based Vortec ...The LS2 is a Gen. 4, 6.0L, aluminum small block engine. The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, …Aug 11, 2021 · What did LS 243 heads come on? For nearly six years, the LS6 engine was equipped with 243 heads as standard. This configuration was designed to power the C5 Corvette s, however its popularity soon saw it being implemented in other vehicles such as LQ4 and LQ9 trucks and even Camaros and Pontiac GTOs.

Did you know?

Katech logo laser etched on both ends. Note: Re-assembly and valve reconditioning not included. This program works on the following head casting numbers: 243, 799, 317, 035. Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this procedure: Remove the cylinder heads from your car, print a copy ...Received 53 Likes on 47 Posts. Only difference between the 799 and 243 heads is the process in manufacturing. The 799 heads were formed in a sand process so the ports can be a bit rough compared to the 243 heads. If porting its a non-issue. Otherwise, everything is the same.741 posts · Joined 2004. #11 · Jul 12, 2022. If you want to make power with a 5.3, you need compression or boost. The 799/243 head is great for flow, but given that your engine originally came with 706 heads, it likely has dished pistons. The 799/243 will kill what little compression you have now unless you mill them.So I have been playing around with some 243 heads, ported them to 225 cc on the intake port left the intake with a carbide finish and ported the exhaust to 83 cc stock the heads are 215cc/75cc. I just did a standard clean up bowl porting remove the rocker boss trim down around the guide valves are 2.02/1.57 cheapo stainless valves I was …

The 241 heads were used on 5.7L LS1 applications and are considered by many to be just a minor step up in performance from the 706. In terms of peak flow, the 241 heads offered 242 cfm at...Aside from the casting number, they have distinctive D-shaped exhaust ports. 243 castings are harder to come across and are sometimes called LS2 heads. On the truck side, these would be 035 or 317 ...According to the internet, some of the best cathedral port LS heads available have a 243 casting code, and would have originally come on 2001 or newer LS2 and LS6 engines. They have larger intake and exhaust runners and a smaller chamber, meaning more compression and better airflow.ported 243s, ls2 stock shorty + cam. procharged. 740~whp. That sounds healthy. If I can pull off 700 rwhp like that through my A4 for the time being with 234's or 317's I think I'll be satisfied. SOFAKINGGR8 said: Numbers in sig, recently made over 700whp a few weeks ago, and have been over 600whp since April.

Please post more pics of your P&P 243's and average performance gains with DD cam similar to the one mentioned earlier. By the way, the quality of workmanship it first rate. Thank you advance for your consideration. Best Regards, Pedders XA Track 1, Patriot/Zamora's Racing Heads Mission, TX Stage 3 243 Heads, Forged 403 Eagle ESP Stroker, TSP ...What did LS 243 heads come on? Sometimes referred to as the cathedral port design, the 243 heads were developed by GM engineers in 2001 and featured prominently on LS6 engines until 2006.Initially made for C5 Corvette models, these powerful heads soon found their way into other engines including the truck-spec LQ9 and LQ4 versions both of which had larger combustion chambers (6cc) than their ...This program works on the following head casting numbers: 243. 799. 317. 035. Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this procedure: Remove the cylinder heads from your car. Disassemble cylinder heads to completely bare condition.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Apr 11, 2010 · 45 posts &#. Possible cause: Im selling a set of 243 heads off my 05 GTO. they ...

Mar 15, 2018 · Last updated on 05/06/2024. The LS4 engine is a Gen. 4, 5.3L, aluminum small block engine used in GM cars between 2005 and 2009. It is unique because it was the only LS engine used in front-wheel drive vehicles. The FWD LS4 had cathedral port cylinder heads and used Active Fuel Management (AFM). The engine was not Flex Fuel (E85) …Anyway, I just bought a pair of complete set of '69 427 '074' heads for $550 shipped from a ebay seller (haven't received them yet). They need springs and a valve job, maybe guides before going on my 454. Like alot of heads from this vintage, they have had some repair work done on one of the rocker arm stud bosses on each head.

The 243/799 heads made more power than the 317's in back to back N/A, and boosted, dyno pulls on the same motor. Sounds to me like you've already convinced yourself the 317 is the better head, so I'm not sure why your on here asking. Besides, from your post, headers are too small, so the head choice may be irrelevant.Usually, conventional small-block heads did not flow nearly as much air as the best factory cathedral port heads. The 243, 799, and 317 castings of these cathedral port heads could flow up to 250 cfm which was a major improvement over what preceded them. But the LS3 heads took this concept even further and were capable of an …I would think a 243 head is a 243 head, I think I read that the 243 was used on the LS6 Z and all LS2 motors had the 243 heads. Mr.Bill Reply Like. 09-27-2011, 08:43 PM #3 Eddie 70. Race Director . Member Since: Feb 1999. Location: Lenoir City Tennessee. Posts: 19,658 Likes: 59 Received 29 ...

1 855 754 6543 The L33 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2005 and 2007. Although it is a truck engine, it used cylinder heads closely related to the LS2 and LS6. The engine came with flat-top pistons for increased compression, and has a unique camshaft. For marketing purposes, it was known as the Vortec 5300 H.O.Feb 25, 2011 · Exhaust flow at .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 2.00" intake valves and 1.55" exhaust valves. To my understanding, this is all the difference. Last edited by R6cowboy; 02-26-2011 at 01:52 PM. pawn shop goshen inuhaul pratt ks In a comparison of the cammed 243 head and the cammed rectangle-port LS3 head, the LS3 torque peaks at 456 lb-ft (4,800 rpm) while the 243 head madeat leastthat much torque from 3,500 rpm all the ...The chamber size is identicle as per the net static compression for a 6.2 liter. All the L92's -all castings-are made for the L92 block from the escalade which is 4.065 inches and is the same block in the 08 corvette. I wouldnt be surprised if the difference is the valve job for use with the hollow stem valves on the LS3. nebraska volleyball schedule 2023 2024 Ai GM 243 LS2/LS6 Performance Rebuild Cylinder Head Package. Our Performance Rebuild suite of inspection and machine work is a great option for the value minded. Even in as cast form the GM LS cathedral castings are capable of producing impressive power levels. If you are building a budget setup, we can bring the factory head back into better ...26791 posts · Joined 2006. #7 · Apr 13, 2010. 243's for cath ports and l92s for sqaure ports.. i would say are the best lower budget heads from what i understand that came on stock motors..a 6.0l comes with 317s which are the same as 243s just with a larger combustion chamber..if you want to use boost use them..the 243s are an ls6 head and ... nypd psa 5gonetspeed vs spectrumbeauregard jail roster France is over twice the size of England (37 percent larger), containing 643,801 square km, while the United Kingdom contains 243,610 square km. France ranks 49th in land area size... queen opp arrested Apr 28, 2013 · 2004 GTO M6, 243 heads, 224/228 TSP cam, Svede intake, JBA Shorty's Catless Mids 383HP/376TQ Whiteline RR bushings, Rear Sub frame, Diff inset and trans insert. Save Share. Like. ... Come discuss mods, horsepower, engine specs and more! Show Less . Full Forum Listing. Explore Our Forums. ot3 prompt generatorvrchat prnkayce smith boyfriend The stock 348 (right) heads carried 1.94/1.66- inch valves while the standard passenger 409 heads carried 2.06/1.72- inch valves. The high-performance heads contained 2.19/1.72-inch valves, and the growth in valve size required thicker, heavier, valve springs to support the new cams with more lift and duration.Jun 2, 2023 · For example, Corvette Z06 came with 243 heads featuring sodium exhaust valves – typical for the L6 engine. In all other gens, though, even the valves would be the same, made from stainless steel. Spotlight. 799 Heads (Re-manufactured) Disassembled, properly cleaned out, and fully inspected for casting integrity.