Quote:
Originally Posted by WheelmanSS
LS3 cam - 204/211 .551/.525 117
LS7 cam - 211/230 .591/.591 120
This would present a minor power increase, mostly in the upper RPM range. It would also maintain streetability when tuned. But regardless of who does the tune/install it is not going to uphold your warranty.
Personally, if you are going to do a cam, I would get something much more radical. I think GM went way too conservative with the LS7 cam for the amount of displacement the motor has, and the potential in the cylinder head design.
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I actually called Comp Cams about replacing the LS7 cam in my engine with something better, but they didn't have anything that was emissions legal. They told me the LS7 cam was a well engineered cam for power and emissions for the LS7 engine.
To take advantage of this cam in an LS3 you would have to use 1.8 rockers (does anyone make them for an LS3?) as stated previously.