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-   -   what kind of compression to run? (https://www.homemadeturbo.com/forced-induction-7/what-kind-compression-run-28074/)

turbohf 10-13-2004 11:03 PM

what kind of compression to run?
 
plan:
LSVTEC turbo (ITR cams, BIG turbo)
daily driven
350whp
STOCK SLEEVES

some say to run low ass 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?

hotrex 10-14-2004 12:30 AM

Re:what kind of compression to run?
 
a flat 9:1 ratio

i have good response and no detonation even at 16psi ever

projekteg 10-14-2004 05:56 AM

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 balls to do it :-\


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