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Re: 6 lug to 5 lug rear axle swap
I'm guessing the 70 went to a 3/4" longer axles but kept the 6 lug. In 71 they went to 5 lug with the longer axles. CPP lists the 70 axles at 31.5" as compared to the 60-66 axles at 30.75".
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Name: Rich
Current Ride: 1964 C-10 Short Fleetside
Daily Driver: 2005 GMC crew cab short fleetside /2001 Chevy Tahoe
Past GM Trucks:
1959 GMC short stepside
1968 GMC short stepside-4x4
1973 Chevy short stepside
1989 Chevy short fleetside-reg cab
1993 Chevy short fleetside-Xcab
2002 Chevy short fleetside-Xcab
Save the dinosaurs, use synthetic oil.
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