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Labor Day Putting down your wrenches or time for MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,006 Posts1,055,268 Members48,418 | | 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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | In the 70's I built a Saginaw 4-speed overdrive by putting the OD from a Saginaw 3-speed on the 4-speed. This was a long time ago and I don't remember a lot of the details.
I recall that making the floor shift linkage work right was one of the bigger challenges.
If I were doing it today, I'd look for the cable based shifter from something like a Citation. I don't know how available those are today, but when I parted one out years ago I was impressed by that shifter.
In reality if I wanted an OD manual in a Stovebolt I'd do a T-5 conversion.
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... | | |
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