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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 | As usual, you are correct, Dave. That 3-speed was standard equipment on 3100-3700. A different 3-speed was standard for 3800/3900, and it was an RPO on smaller trucks. In order for it to be RPO on 3100, it must have an a similar adapter on the rear? http://chevy.oldcarmanualproject.com/chevyresto/54156.htm | | |
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