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Click on image for the lowdown. 
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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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#74215 03/04/2007 5:27 PM | Joined: Feb 2000 Posts: 5,206 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,206 | You are going to have to look inside for gear ratio number. I think you are looking at casting or mold numbers. Look on the ring gear for numbers and a date code. Or just count the teeth of each gear. Joe | | |
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