Thread: are sb 427's really 427 c.i.'s
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Old 01-23-2009, 07:35 PM
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Quote:
Originally Posted by MFE III View Post
Why would a 427 SB sound different from a 427 BB? Same size combustion area in each cylinder, same charge . . . I don't understand
Because the harmonic resonance is different in a big block, regardless of whether the combustion chamber size is the same, or even smaller, than that of a small block.
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