Re: 8.5" vs. 8.6" 10 bolts:
I see a lot of guys going fast on the 8.6 and I don't hear a lot about them breaking anything. I know they have 30 spline axles compared to our 70's to 80's model trucks with 28 splines. I'd imagine they'd be slightly stronger.
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1982 Silverado - SBE, cleaned up GM heads, small cam, TH350, 850 Demon, 4.56 gears, and caltracs.
Best time so far 11.8@XXXMPH
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