Quote:
Originally Posted by r0nin89
9.5 compression
How do you figure that a stock bottom end will only support that? Theres plenty of builds out there reaching upwards of 350 horsepower with vortec heads simply with upgraded springs...
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I don't think that's what he's saying.
I think he means that if you are doing this on a stock bottom end (which has flat top pistons) your CR will be low due to the large combustion chamber size so you won't be making that much power with the speed parts.
Although the link for your heads says 67cc, I'm not sure if he saw that.