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      02-01-2013, 05:40 PM   #25
First Lieutenant
litz4244's Avatar

Drives: e92
Join Date: May 2010
Location: delaware

iTrader: (2)

Originally Posted by JYohay View Post
17.5 PSI is def conservative for RBs.
I run my OEMs at 18
I know someone running RBs at 22.5PSI
while 470HP is his max....thats not all that matters.
Its how quick you get to that Max HP/TQ and its a totally different powerband
At 22.5 psi on rbs he should be 500 whp. RB powerband is just like stock.
07 e92 6spd FBO for now. current

03 z06 402 iron block and a ysi 910whp 756wtq 15psi current

07 335 fbo and meth and rb turbos 470whp 460wtq 17psi 11.7@124 full weight sold.