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Old 09-29-2008, 06:33 AM   #7
special-K
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Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,764
Re: 1972 GMC 3/4 ton rear axle ????

Gotcha,but I already knew that and it shows in my post.I only mentioned the 1/2t BBC ratio as part of my reasoning for assuming it would be 3.54s "if" it was in fact a BBC originally.
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GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project)
GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling)
Tim

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