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Mod | | | Forums66 Topics128,089 Posts1,056,004 Members48,430 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | Could be a Spicer 45 @ 3.92 behind a standard or 3.07 if it's behind an automatic. GM corporate would be 3.90. The corporate has a third member that pulls out. Spicer has a 1 piece carrier and axle housing. Your axle seats will have to be modified if you go to an open drive shaft because the torque tube keeps the axle from torquing. This is a quite simple task and the Old GMC site has some good instructions on how to do it. | | |
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