[bigvinnie]

sounds like you're trying to do it without a timing light or you can't find your timing marks...?? If you're doing it by ear, rpms will increase as advance increases.. good luck

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'72 short step, 350, 700R4, tilt, ps, pdb, a/c, lowered coils, etc., other work in progress... San Diego, CA
http://www.ixpres.com/vlusardi/chevtrk.htm