Quote:
Originally Posted by seeno
Well there's no such thing as a non-us engine, either it's an ap1 or an ap2.
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Really, ya dont say

.Well I'll break it down for ya. There is a "NON-US engine", or NON-USDM engine which ever way you want to say it.The
JDM F20C has 11.5:1 compression and the USDM
F20C1 has 11.0:1. So yes there is a differance. So its not just, "ap1 or an ap2".