Engine?
Are you sure the vibration is coming from the engine? Does it do it reving the engine in neutral or only when your driving at speed? The most common source of vibration for me has been bad u-joints. That would only be apparent when driving at speed and not when reving in neutral.
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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