Originally Posted by
crazycage
i would have to dig the invoice out but why would you want to no that??they put a standard black top in at 9.1 but not on my engine i run a st170 head and the engine has been built and cc'd @jam .
Why would I want to know that? So I know which pistons you're using? Going by the further information you have supplied, I will assumt they are the 'low comp' pistons JE do but on the ST170 head it ends up high! Thanks!