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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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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: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | If you are refering to the 6400 in photo,s it more than likely is the SM420 4 speed with granny low. They are easy to rebuild. Get a good manual & follow directions. The bearings , gaskets & seals are readily available but if you need any hard parts you will probably have to find used ones or get another one for parts. The T-5 you see mentioned is a 5 speed used in s10 pickups & other vehicles. A lot of us are putting them in the light duty trucks to get the o-drive feature. It would not stand up in a heavy duty truck.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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