Supposedly, if the secondary electrical components are good to begin with, you won't get anything more from higher end wires, etc. Maybe there was some problem with the old (one year old) components.
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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