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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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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: Jun 2012 Posts: 197 Shop Shark | | Shop Shark Joined: Jun 2012 Posts: 197 | The old overdrives are for the Saginaw 4 speed, not the Muncie SM420 truck 4 speed with the granny first gear. If you have a Saginaw 3 speed with OD and the trans in your truck is a Saginaw you should be able to swap IIRC. (some OD units are for the little Muncie SM318 three speeds)
FWIW there is something called a Ranger Torque Splitter OD that goes in front of a manual trans you can get for about $1,400 new. Gives you another shifter, and you can split gears with it.
Some of my crap: 1963 C-30 flatbed dually 292/SM420 1965 C-10 LWB fleet 250/column shift 3 speed 1965 C-30 9' stepside 250/SM420/4.10 gears (my DD) Website I made for my crap: http://www.66submarine.com | | |
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