Quote:
Originally Posted by tpwalsh
Hmm, a ZC and the D16A6 are actually quite different. The ZC is a DOHC motor making 130hp, with the A6 being a SOHC making 108. I have a completely stock '91 CRX Si, save for Koni shocks and get right at 40mpg. I've been thinking of installing the HF 5th gear in my transmission to lower the revs in mine. Other than that I can't tell you much since I don't really know hondas either.
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There are many variants of the ZC and one of them is a SOHC Non-VTEC version, which is exactly the same as the d16a6 with a slightly different cam. The ZC SOHC Non-VTEC engine is rated at 118 hp (US). My block is stamped with the ZC stamping. I will post pics of this car soon....
Oh and BTW, I know a few guys who've done the 5th gear swap and were disappointed. The didn't get any more MPG and the drop from 4th to 5th is huge now and is not really very beneficial. If anything, swap the entire trans to the HF trans. That will save more than just the 5th gear swap....