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Click on image for the lowdown. 
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| | | Forums66 Topics128,155 Posts1,056,868 Members48,456 | | 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!
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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: Apr 2003 Posts: 67 Shop Shark | | Shop Shark Joined: Apr 2003 Posts: 67 | Good point about the 4WD situation, and I don't lend my truck.
The purpose is overdrive for highway use, with the possible advantage of underdrive in 2WD without getting out and locking hubs to use 4WD.
Royzell
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