Re: Plans for a 478 build.
Quote:
Originally Posted by beerman
IMHO and believe me I'm no expert but with a 5.125 bore that is a lot of piston to be moving.
Here is some Hemi bore and stroke data
http://victorylibrary.com/mopar/rb-bs.htm
and some BBC data
http://billygrahamracing.com/BBC.asp
My biggest concern would be at that bore and being boosted is flame propagation going to be an issue?
Detonation will more than likely eat those custom pistons long before you can get the blow thru carb tuned. |
Jetting that carb up and more octane outta fix that problem. lol And heck....could even create a custom manifold and go to two 4 barrels!  And thanks for the links!
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1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
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