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Old 08-10-2010, 10:39 AM   #6
crainholio
 
Join Date: Nov 2004
Location: Randolph
Posts: 198
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Quote:
Originally Posted by jts98z28 View Post
why dont cutouts go straight from the headers instead of going off to the side? doesnt a lot of the exhaust gasses travel through the exhaust that way?would you gain power if it was the other way?
thanks
Because there is such a thing as too little backpressure. You can actually under-fill the cylinders as the intake charge is blown out the still-open exhaust valve, causing the engine to run lean.
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1982 Z28 w/ '01 LS1 + T56, TR224 cam, Katech oil pump, JWIS chain
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