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Mod | | | Forums66 Topics128,078 Posts1,056,049 Members48,433 | | 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: Jan 2011 Posts: 144 Shop Shark | | Shop Shark Joined: Jan 2011 Posts: 144 | Can someone tell me what the make/model of the manual 3 speed chevy used in the '51 3100's? Also, what years was this transmission used? Best source of parts for rebuild?
I've got a couple shops interested in donationg their time to refurbish it, but they are concerned if they find problems that they won't be able to find parts.
Thanks.
Dave www.fallenherosdreamride.orgall give some MY SON GAVE ALL The fallen hero's dream ride is a 1951 Chevrolet 3100 with original 216 In memory of LCpl Phillip Vinnedge USMC KIA 10/13/2010 Afghanistan
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | The 48-53 truck 3-speed transmission should be interchangeable. There was a standard 3-speed and a much rarer heavy-duty 3-speed. Here is a page with interesting information, including casting codes. And, that information might be correct, even though the article starts off with a half-year mistake in the first line: "Until mid-year 1955, Chevrolet three-speed pickup trucks had their driveshafts enclosed inside of a torque tube pivoted off the back of the transmission." | | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | The shop should be able to find all the replacement parts, but if not aftermarketers such as American Classic Truck Parts (Stovebolt sponsor),and Jim Carter,etc. can get them for you.That's where I bought gaskets and bearings for my '50 3100 3spd.
Drew
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