what kind of compression to run?
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Joined: Dec 2002
Posts: 6,654
what kind of compression to run?
plan:
LSVTEC turbo (ITR cams, BIG turbo)
daily driven
350whp
STOCK SLEEVES
some say to run low *** compression...but that will make it a ------ slug at low RPM. my car has decent accelleration now when not in boost (~9.5:1....when its running on all 4 cylinders
) and i would like to keep it like that. but if i go higher compression there is more chance of detination, and that wont be good on stock sleeves with 15+psi...
your opinions?
LSVTEC turbo (ITR cams, BIG turbo)
daily driven
350whp
STOCK SLEEVES
some say to run low *** compression...but that will make it a ------ slug at low RPM. my car has decent accelleration now when not in boost (~9.5:1....when its running on all 4 cylinders
) and i would like to keep it like that. but if i go higher compression there is more chance of detination, and that wont be good on stock sleeves with 15+psi...your opinions?
3.0 BAR
Joined: Apr 2003
Posts: 11,056
Re:what kind of compression to run?
i agree, no lower than 9:1. i have no problems with detonation with 10:1, so that's really not the issue. you'll be able to boost more than 15 psi on a stock sleeve b18 with 9:1 cr, i see people boosting 20 psi at the track on stock sleeves with just forged internals all the time, you just got to have the ***** to do it 
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