Did you know?

Apr 16, 2013 · 862 s Vs 243 s..... So what the difference between some milled 862s and some stock 243s? Also how big of a difference would the 243s and a nnbs intake do on a 2003 4. ...More video to come. Put new heads and new cam in my 6.0 lq4 283 int/286 exh 114 LSA243 04 up LS6 aluminum center bolt 5.7 ***These castings were also used around 05 in truck applications*** 862 99 and up 4.8-5.3 Truck heads 706 99 and up 4.8-5.3 Truck heads 799 05 and up 4.8-5.3Truck heads ***reportedly came on a few corvette's too*** These are basically 243 Heads 873 99-00 LQ4 6.0 Iron center bolt headsAmong these components, cylinder heads play a crucial role in determining an engine’s power and efficiency. In this article, we will compare two popular choices: the …Ajit Mohan, the head of Meta in India, has left the firm and agreed to join rival Snap, according to sources familiar with the matter. Ajit Mohan, the head of Meta in India, has le...Also, all the heads have a new valve stem and can be replaced with new ones to ensure high-quality performance. All the 799 heads have a 3-year unlimited warranty. However, it is essential to ensure installation is done as per the manufacturer's instructions. Related Search - 243 heads: 243 heads specs that make it specialWhich factory LS cylinder head works best with a turbo, 706 or 317? It's the age-old comparison, airflow vs compression. This LS head shoot out between the s...Why are Chevy 706 Heads better than 317 or 862 Heads? 706 Heads Vs. 317 Heads; Most people tend to prefer 317 heads as they have improved ports, same as 243 and 799 Heads, which are more expensive. However, 317 heads have larger combustion chambers of 71.06cc, which will cost performance, especially on a naturally aspirated engine. This ...BEFORE Engine - 02 LS1, Stock Bottom End Heads - Stock Flowing 243's Cam - A.I. 230/238 .600/.601 113LSA Intake - LS6 w/42lb Green Tops Hedaers - Shorties862 Vs 243 Heads . One of the first things that you need to consider when building a performance engine is what heads to use. There are many different options on the market, but two of the most popular choices are 862 castings and 243 castings. So, which one is better? The 862 heads were originally designed for high performance applications.The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family ...Jan 14, 2018 · I know 243's are good but didn't know if 862's are any good when they're right in front of me. They won't flow as good as 243 but you'll have better compression vs 243. You can have them ported for a reasonable price and have a good valve job done on them to make them perform. They'll never be rock stars but they'll do fine with that cam.The 243 and 706 heads are the exact same. The only difference is that on the ls6 specific 243s, the exhaust valves were sodium filled to make them ever so slightly lighter. The 243 heads and 799 heads are the same. The 706 heads are the same as the 862 heads. Yep I'm dumb.which stock ls head makes the most power? should i upgrade my stock 6.0l heads? do cathedral-port heads make more torque than a rec-port heads? what about th...Mar 27, 2010 · If you are just installing stRPO L99 and LS3 cylinder heads are aluminum with 68cc combustion ch The 862 heads are inferior to the 706 heads in terms of compression, and they don’t also flow well like the 243 heads because it doesn’t have other competitive features; however, depending on your car’s needs and … It is way too small for an LQ4 IMO. I would do a set of The 243 head is the 01+ LS6/LS2 head. It has a smaller 64.45cc chamber for more compression (10.5 CR on LS6), 210cc intake runners, and 75cc D-shaped exhaust ports. ... 5.3 truck heads (casting #862 and 706) are also a very popular base casting for porting/modifying, due to their even smaller (61.15cc) chamber size which raises compression when ...823 vs 243 heads The popular L6 243 heads have a smaller capacity (64cc), whereas the 823’s larger intake valve has a 70cc cylinder, promoting better overall flow within the combustion chamber. In addition, there’s some controversy among gearheads about whether the “swirl” ramp added to the 243 to improve fuel and air mix in the ... The 706 & 862 heads have a 61cc combustion chamber. Most of

The 799 head is designed and made to be compatible with high-performing LS engines, such as 4.8L, 5.3L, 5.7L, or 6.0L, etc. These vehicles require maximum airflow, making the 799 head an ideal choice. On the other hand, the 862 head is compatible with LR4, LM4, and LM7 and such engines where low torque is more essential than better …Great cylinder-head airflow has been a key enabler of the LS-Series' exceptional performance. Chevrolet Performance delivers those power-building attributes to you with a range of production-style aluminum heads — from the LS6 heads for smaller-displacement engines to LS7 style heads for 427-inch-and-larger combinations, our aluminum heads benefit from Chevrolet Performance's extensive ...Equipped with the 317 heads, the turbo 6.2L produced 807 hp at 6,800 rpm and 747 lb-ft of torque at 4,900 rpm. The boost pressure peaked at 7.6 psi, before dropping to 6.9 psi at 7,000 rpm. The ...Oct 25, 2012 · If so, the 862 has a tiny 1.9 intake valve. The 317 head has 2.0 valve and a larger intake runner cc, like the LS6. The 862 in a good bench make 220ish cfm, 317s as much as 257 or so. Just has a larger combustion chamber.243 is the Z06 casting, 241 is the last and best LS1 casting. The 243 has D-shaped exhaust ports and some other minor differences. Reply Like. 05-16-2007, 01:48 PM. # 3. 94legaleagle. Melting Slicks. Thread Starter. Member Since: Mar 2005.

Apr 2, 2020 · 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 ...Travolta's 707 is now headed back to Australia, where it will be maintained and put on display with the Historical Aircraft Restoration Society. John Travolta by any measure is an ...The GenX 205 heads were combined with a healthy Comp cam (Grind # 277LrR HR13) that featured a .614/.624-inch lift split, a 227/243-degree duration split, and 113-degree LSA. The spring package ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Apr 15, 2023 · The 799 head is designed and made t. Possible cause: 243 heads are known for their larger port and valve sizes, which are typically.