What engine has 799 heads?
LC9 engines
The LC9 engines also came with 799/243 heads.
Are 799 heads better than 317 heads?
According to Internet folklore, the 317 heads used on the 6.0L truck engines share the intake port design with the 799 (243) heads. The 317 heads flowed more than the 706 heads by as much as 20 cfm at some lift points. The peak flow numbers differed by just 7 cfm at 0.700 lift.
What heads came on LQ4?
The LQ4 offered a static compression ratio of 9.4:1 thanks to a combination of the 317 heads and dished factory pistons. The 317 heads featured 71-72 cc chambers and intake ports said to be modeled after the LS2/LS6 243 heads.
Are 862 heads better than 706?
706 heads have smaller chambers, so you don’t lose compression. 706 heads are slightly superior to 862 heads due to how they are manufactured. 706 heads flow great and, overall, are superior to 317 heads for many builds.
Whats the difference between 799 heads and 243 heads?
The head castings are the same. Both are very similar with only minor differences from the factory, but when working them over the process is essentially the same considering they are of the same port design. If you have 243’s from a 02-04 Z06 or 04-05 CTS-V they will have the hollow/soduim valves.
Are 706 and 862 heads the same?
The 706Vortec heads are even slightly superior to the commonly found 862 heads. The reason is that the 706 heads are SPM (semi-permanent mold) made, while the 862 heads are sand cast. The SPM method is considered to be a more consistent process, but once you port the 862 head, any difference to the 706 head goes away.
What’s better LQ4 or LQ9?
The ONLY difference between an LQ4 and LQ9 is the piston! The LQ4 piston is dished where as the LQ9 is a flat-top increasing compression to 10:1, and HP to 345 factory. The LQ9 is a limited production engine and VERY desirable as it is the HO 6.0L and comes with a premium price.
How much HP can a 6.0 Chevy make?
GM 6.0L Vortec V-8 Engine Specs
| Engine: | General Motors 6.0L Vortec V-8 (Vortec 6000) | |
|---|---|---|
| Max Engine Speed: | 6,000 RPM | |
| Peak Horsepower: | 360 HP @ 5,400 RPM | |
| Peak Torque: | 380 HP @ 4,200 RPM | |
| Dimensions: | Length | Width |
Is the 799 head the same as the 243 head?
MOST 243’s and 799’s are the EXACT same. Only 02-04 243 heads that came off of an ls6 z06 or cts-v have the lightweight valves. 01 243’s and any other 243’s that came off an ls2 or other engine have regular valves so they are the exact same as 799’s.
Do the 799 heads have sodium filled valves?
I know the 799 heads are the same as the 243’s but what I was wondering, do the 799’s have sodium filled valves as well?
Are there any 799 heads that come off a CTS-V?
Only 02-04 243 heads that came off of an ls6 z06 or cts-v have the lightweight valves. 01 243’s and any other 243’s that came off an ls2 or other engine have regular valves so they are the exact same as 799’s.
How much does a rebuilt cylinder head cost?
Here are some of the rebuilt heads that we offer: 2.2 ACCRD PRLDE 1990-95 C#PT3 $399 2.3 ACCORD 1998-02 C#PAA $399 3.7 V6 Jeep 2002-12 ALL new seats $399 4.7 V8 Non-HO 1999-07 ALL new seats $450 Our rebuilt cylinder heads carry a 1-year warranty and can ship out the same day in most cases. Call 1-888-531-5464 for details.