Quote:
Originally Posted by drolston
Either the 400 or 425 would be fine, but with a stock 8CM engine you do not need the additional valve lift clearance provided by the 425. So prefer the 400 for a little higher compression ratio. With 255 cubic inches, two 97's would be plenty and look great. The heads are irrelevant to that choice. If it were up to me, I would adapt a Holly 360 four barrel for the automatic choke and reliability.
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Thanks! If I wanted to go to 275ci or 284ci in the future would the 400's still be ok, or would compression be too high?
You didn't mention the 376's, is that because compression is too high on aerc flathead?