Originally Posted by Mohsin
i always looked on the jdm spec ones....since i guess jdm's are the ones i am gonna be getting in my part of the world......
upon comparison i figured that.... Although all USDM spec engines have slightly less hp..... but also have less compression !
So are the usdm ones better for boost on stock interns?
.5 compression won't mean much at all. Just keep it around 8 psi or 250ish wheel horse.