My understanding is that torque to yield bolts are good for only one use. If you never remove the heads, I doubt that it will matter. I wonder how one would measure the bolt stretch though.
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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