No resistance
Turn the crank slowly from the snout with a ratchet and check for any resistance. Spark plugs out of course. The rotating assembly should rotate smoothly and with little resistance. If not, then do as LX5liter suggested and start looking at clearances.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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