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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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#56935 02/23/2006 8:03 PM | Joined: Apr 2003 Posts: 15 New Guy | | New Guy Joined: Apr 2003 Posts: 15 | After searching prev. posts I still have this question: I have a 1955 GMC with a 288 V8 and Hydramatic. The ID plate on the trans says: 55 CA 9872. This means it was made in 1955, it is a Hydramatic, and the serial# is 9872. Can anyone tell me anymore about this model? What is it called? What is the model? How is it different from say a 57 CA XXXX? I have a GMC hydramatic manual that was printed in 1957 and it only refernces the '57 models-I guess? If I want to run, maintain, adjust and repair this beast I want to know EXACTLY everything about it! Tell me who to talk to if no one knows this info. | | |
#56936 02/24/2006 4:13 AM | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | There are several hydramatic nuts..er uh, I mean gurus.... on the Old GMC discussion boards. You'll have to sign up to read it but driving a truck like that, you need to. | | |
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