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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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | 1/2-ton with a six and a T-5 is a workable and popular swap. Be sure to search and read through the issues people have needed to deal with in making the swap before starting.
Aside from being a different era the shifter isn't really in the right spot so that might cause some look and ergonomic issues.
My '55 1st 1/2-ton (Suburban) has an SM420 and I just drive it like a 3-speed and get along fine that way. But I've changed the rear to one with 3.08 gears so highway speed isn't a problem. I sometimes think it would be more pleasant to drive with a car type 4-speed like a Saginaw or perhaps a T-5.
I also have a 4-speed car with OD that I drive nearly every day and sometimes think the control a 5- or 6-speed offers would be more fun. Its not that the OD is bad as much as it often wants to shift at times when I would rather it didn't. I may someday change it.
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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