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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!
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| | | | Joined: Jul 2019 Posts: 95 'Bolter | | 'Bolter Joined: Jul 2019 Posts: 95 | I’ve got a 47 Chevy one ton panel. I posted some time ago about a rear differential guts swap to help ease strain on the engine and be able to highway drive the truck on occasion. I read through the articles forwarded to me from fellow bolters and started a search for the correct differential. I have found one from a 1968 Chevy 3/4 ton. Now, I’m not as savvy on gear ratios as many other gear heads, so I’m seeking advice about the parts I found to see if they will work before I commit.
The part # is GM 3817778. 11:41. Was told to divide 41 by 11 to get a value and it comes to 373. The gears are in very good shape and the price is right. I just don’t want to end up with a boat anchor instead of a smoother ride....
I appreciate any advice! Thanks, David
1949 Chev 3800
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