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Mod | | | Forums66 Topics128,105 Posts1,056,541 Members48,448 | | 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: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | If you have the stock single speed rear it will have 6.17 gears. If you go up to 4.11 gears with a modern rear you won't have enough engine power to move the truck up a slight grade without downshifting a gear or two and then you'll top the grade out doing 20 mph. The 4.11 rear will need a much bigger engine to go with it. Mike B  | | |
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