what CR ratio i'll need to get 190whp ? Im planing on adding CTR so that be 11.1 ratio.. thanx

 

I'm assuming that you've got a Civic Si... then, just raising the CR will not yield 190 whp. (not even close.) What else have you done to the car? That might be useful for us to know.

 

well i got basic bolts on and cam gears .. i was thinking of runing a 11.8 cr ratio.. and getting itr cams, B&M FPR , itr valve springs , itr retainers , jg pro flow header 4-1 , thin gasket , maybe Mild Port to the head , and ITR intake manifold with a Bore out throttle body from stock to like 64mm or somthing..

 

lose the header get a real header..190 is gonna be hard to get out of a b16, not saying it can't be done, but i doubt it will be done with that combo.


[Modified by FAST94GSR, 6:51 PM 10/13/2001]

 

If your goal is to have 190 whp all-motor
get a b18c or a b20z short block

 

Forged Pistons CR 12-12.2:1
Toda B or C cams
P/P head
ECU reprogram
Valvetrain components
ITR intake manifold & TB