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E-85 and pulley.



well. i gotta put it out there.

one says 18* another says 21*

obviously more timing = more power but why is one better than other???
 
but too much will blow head gaskets. i personally dont feel that i need to run any more than 18* in my street car. besides, im old school. i like to throw boost at a car until it cant take anymore.
 


whatever, yes to much timing will blow head gaskets, that is true. 18* of timing is weak, 20 on a gasoline car and 21-22 on an E85 car daily is fine. I hate when people use their own cars as examples BUT i run 23-26 daily on my setup and i don't have blow head gaskets..? I run 21* in another gp i tuned, and he dd's his on 93 octane. He picked up 3mph (going from 17* of timing to 21*) in his 1/4 mile and got his car into the 12's (from his pb 0f 13.0 to 12.8). He put on a smaller pulley (2.8) and got 5*kr so i pulled out 5* of timing and his best time was 13.1@103 with no kr and the smaller pulley... and he's i/c'd! He was faster on a 3.0 and timing than a 2.8 with boost.

running a 3.4 pulley with CORRECT supporting mods, a good tune, and no kr will net an average of 250-260 whp. There should be no 3.4 setups in the 14's if they are done correctly (excluding higher elevation cars). But there are... why?
 
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