LS6 Heads worth it ?
My car is a 02 with a RPM-5 cam, ported TB and FLP Lt's.
and stock heads
what would be the advantage or dis-advantage of the LS6 heads ?
I know if i bought them they would get a mild porting.
haha
real 243 heads are worth $450-550. if they are fine, go for it, but i would check them out well. they are the best stock head you can get...a nice port job from a sponsor like TEA is all you should need to easily put 420-430 hp to the wheels.
The advantadge would be a better flowing head resulting in better HP and gas mileage. I can't think of any dis-advantadge.
They should have the 243 casting number right on them but that doesen't necessarily mean they are the LS6 heads with lightweight valves. Only way I know to id. the difference between the 243 LS6 and the 243 LS2 heads is to weigh the valves. Regardless, that is a smoking deal!
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The advantadge would be a better flowing head resulting in better HP and gas mileage. I can't think of any dis-advantadge.
They should have the 243 casting number right on them but that doesen't necessarily mean they are the LS6 heads with lightweight valves. Only way I know to id. the difference between the 243 LS6 and the 243 LS2 heads is to weigh the valves. Regardless, that is a smoking deal!
[/QUOTEI bought 03 zo6 heads awhile ago but I want to confirm it is true zo6 head. How much does the sodium filled intake & exhaust valves weigh ?


