George, thanks for your reply. What do you consider a racy camshaft? Mine is a Crower mechanical roller (level 4 on Crowers 1 to 5, 5 being a full race) with intake duration of 275 and exhaust duration of 284, .570" of total valve lift. The motor pulls about 8" of vacuum at 800 to 1000rpm. I will try to check where TDC really is.
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