CyaPussy

iTrader: (1)

I have a 376 cubic inch motor 9.1.1 compression with ls3 heads. I am making 6 lbs of boost right now with i belive a 7.65 crank pulley correct me if im wrong this an fbody kit from epp and then i have a 4.25 blower pulley on a d1. What pulley will get me to around 15 lbs of boost. ?

jjcamaro02

iTrader: (34)

I'm running 7.65 and 3.55 and making about 15lbs on a 346. You my need to pulley it down more with a 376.

Aster

iTrader: (9)

A lot depends on the rest of the system. You are probably looking at a 3.5 or 3.4 pulley to get there.