360 Advice Needed - Autocross / Street Engine Build

autoxcuda said

I've CC'd edelbrock small chamber advertised at "63 CC". They are 65 cc. That seems consistent with what other get.

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FWIW, my son got 63.4 to 64.5 cc. Once we discounted the thickness of the RTV bead, that made them come on on the mfr target.