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Discussion Starter · #1 ·
What size pulley on a Jt-trim would give me about 20lbs of boost I am new to the Jt-trim and have many questions?
 

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SloVobra said:
What size pulley on a Jt-trim would give me about 20lbs of boost I am new to the Jt-trim and have many questions?
There are alot of variables to consider. Ported heads,what intake,
what size valves, camshaft timing events, Shift RPM, Static compression ratio & exhaust. All things considered a 3.33 to a 2.95 blower pulley should produce somwhere between 16 to 24 lbs depending on your combo.
 

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Discussion Starter · #3 ·
its pretty much a stock long block, tryin to see how far I can push it till I need a motor currently I push it about 17-19lbs on an s-trim so its gettin there.
 
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