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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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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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
GMC first had a non-military-truck Hydra-Matic option in 1953 small trucks, and a variety of Hydra-Matic options for most larger trucks in 1954. Chevrolet trucks had a Hydra-Matic option in 1/2 to 1 ton trucks in 1954.
The engine and Hydra-Matic transmission were matched at the factory (and marked as being matched) but people have reported using Chevrolet hydra-matics with non-original 235/261 engines (same with GMC hydra-matics being used with non-original 228/248/270 GMC engines).
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