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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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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
The 0.70 overdrive 3-speed transmission first became available as an RPO for the 1955 2nd series 3100 and 3200 trucks. In that year, in its "standard" RPO configuration (RPO315), it was mated to a 4.11 rear end.
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