Might want to consider an aftermarket like a Scat steel crank. Better grade of steel 4340 and less chance of having stress cracks etc. I look at cranks and rods as wear items. Do most folks restoring cars have to use genuine GM rings bearings etc?
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70Z28 04B Norwood Forest Green-white Stripes Black DeLuxe Interior
Owned since 1978 - First Car
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