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Click on image for the lowdown. 
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| | | Forums66 Topics128,180 Posts1,057,163 Members48,464 | | 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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | My experience with 2-speed rears on these old trucks is that the second speed is deeper than the standard rear and intended for getting a heavy load moving. I've never seen one era correct that would allow you to go faster than your current high.
Something you might look at is one guy swapped the ends of the axle housing to the newer axle and then redrilled the hubs so the newer axle shafts which bolt up, allowing running the original brakes and wheels while having a later axle ratio. Do some searching and you should be able to find that thread here on the Stovebolt.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more... It's true. I really don't do anything but browse the Internet looking for trouble... | | |
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