Quote:
Originally Posted by MikeB
That pretty much says it all. The Performer EPS manifold is designed to make peak torque at around 3500 RPM in a 350, so any cam you choose needs to have the same objective.
What are the duration numbers on your current cam? I suspect that with the valve lift numbers you posted, going bigger would take a toll on vacuum, torque, and certainly throttle response.
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Duration is 213/ 219 and my question is the effect of a lesser cam .437"/454" Duration 207/213.