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Click on image for the lowdown. 
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| | | Forums66 Topics128,108 Posts1,056,238 Members48,437 | | Most Online14,466
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!
| | THANKS!
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: Dec 2011 Posts: 25 New Guy | | New Guy Joined: Dec 2011 Posts: 25 | I've been looking for the 3 speed OD but everything I've seen is overpriced. A gear upgrade is cheap compared to the OD 3 speeds I've seen.
What doe you mean by Task Force vs. AD? I've got a '55 1/2 (second series) 3100 1/2 ton. | | |
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