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Discussion Starter · #1 ·
Ok from lip to lip, blower pulley is 3inch
and crank pulley is 7-1/8 lip to lip

How much boost is thie going to make on an S-trim?
How do I lower the amount of boost, to say stock config. 9-11psi??

Its a solid crank piece, I do not know if that matters, the acc.and blower pulley is together, and not seperate..
 

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its hard from lip to lip!!That would not be right.
from the groves,anyways man go with a 3.33 blower
pulley(Stock one) And 7' crank(really is 6.87)stock s-trim
one,and you will have that boost with out powerpipe.
about 9-10lbs depending on weather sometimes.
(hot/cold for the most part)
 

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Discussion Starter · #3 ·
OK Well I have a power pipe, so I should get a 3.33 and leave the bottom crank pulley alone?
 
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