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Old 10-12-2014, 11:24 PM   #1
DakotaKid
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Join Date: May 2014
Location: Western ND
Posts: 198
Rear End question. 1974 12bolt into a 62 swb

I keep reading that the 70-71 12 bolt is 1.5 inches wider than the stock diff. I have a 74 truck that is my donor for the front suspension and would like to use the rear also to keep everything 5x5. Will it fit? Or is the 74 wider? I'm not to concerned with mounts and stuff. That stuff I can change. I'm not close to my parts truck to take a measurement right now and thought someone might know.

Thanks in advance.
Aaron
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Old 10-13-2014, 12:32 AM   #2
Captainfab
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Re: Rear End question. 1974 12bolt into a 62 swb

The original HO32 differential under your '62 is 62" wide. The truck 12 bolts from '71-'82 are 63.5" wide. The truck 10 bolts from '80-'87 are also 63.5" wide.
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Old 10-13-2014, 12:41 AM   #3
DakotaKid
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Re: Rear End question. 1974 12bolt into a 62 swb

Thanks capt. That's exactly what I needed to know. It's already got the newer 12 under it so I can just swap axles. pERFECT !
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