Quote:
Originally Posted by TopgunZ
So you were making almost 600whp but then that changed? Wierd. When did it change? Was it sudden or slowly get worse?
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This is a new 91 tune. I was making 586 on e85 and 471 on 91 @13psi with just the 9 lb pulley, the 2.85 pulley and the Si wheel.
This set up is the 928 wheel, 2.85 sc pulley and 3.47 jackshaft pulley @ 14.4 psi. And I only gained 1.5 or so psi by adding the 928 wheel and the 3.47 jackshaft pulley.
More boost, loss of power. The way the power and torque drop off just doesn't look right.