Originally posted by Bumnah
???? what are you talking about.
JDM b18c is like a usdm b18c1 except it has different pistons and a compression ratio of 10.6:1 usdm b18c5 has the same compression ratio but the different tranny, cams, head, intake manifold and all make the two completely different.
I might have it wrong, but according to that site, the B18C is the same as the B18C5... :dunno: Might be bad info. :happysad:
So the B18C has the same CR as the C5, just with a different head setup?
I'm wondering myself now.
h: