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Mod | | | Forums66 Topics128,014 Posts1,055,327 Members48,419 | | 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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| | | | Joined: Dec 2008 Posts: 28 New Guy | | New Guy Joined: Dec 2008 Posts: 28 | I have a 1954 Chevy 1/2 ton with a regular drive shaft( not torque tube). The rear cover has 14 bolts. I was told I could swap in a posi carrier from a later model suburban. Anybody done this? If so what years am I looking for? | | | | | Joined: Feb 2000 Posts: 769 Shop Shark | | Shop Shark Joined: Feb 2000 Posts: 769 | It may be possible, but you would first have to determine what the rear axle is out of. All 54 Chevy 3100s had a closed drive line rear axle with a round 10 bolt rear cover. | | | | | Joined: Aug 2005 Posts: 1,186 Shop Shark | | Shop Shark Joined: Aug 2005 Posts: 1,186 | Unless he actually has a 1955 1st series which have an open driveline. A picture would help.
Bruce | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | GM makes a rear that is called a 14-bolt. If you have that rear a posi is available for it. There are multiple versions of that rear available, and pictures might help...
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Aug 2007 Posts: 1,859 Grumpy old guy playing with trucks, cars, and boats | | Grumpy old guy playing with trucks, cars, and boats Joined: Aug 2007 Posts: 1,859 | Pictures needed, however if you have 6 lugs on the 14-bolt, it most likely came from a late model truck, then yes, there are limited slip differentials available. Many in later years came with the eaton unit.
The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me
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