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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: Mar 2007 Posts: 81 'Bolter | | 'Bolter Joined: Mar 2007 Posts: 81 | I did a search and came up empty handed.
I just bought a rear end from Jimbo, nice guy. Anyhow, is there any way I can identify what year its is? Or if it is a first edition or second edition (saw that question in a parts catalog). From what I can tell, there is no tag on the rear end. It is from 1955 to 1959 per Jimbo, I was just hoping to get the precise year and gear ratio.
52 Chevy 3100 5 Window, LS Swap, 4spd Auto, Vintage Air AC / Heat, CPP Power Front Disc Brake Conversion with bearing upgrade, Power Steering Conversion, LED Tail Lights
| | | | | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | You can pull the back cover off and look for a number stamped on the ring and pinion gears. That will let you identify what gear ratio is inside. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | if it came out of a 55-59, it won't matter what year, they're all the same - and the standard was a 3.90 ratio, very unusual to find any other .... real easy to find the ratio before you install it - you should open it up to clean, check the gears and replace the gaskets anyway, just count the teeth
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