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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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#76457 04/19/2007 3:19 PM | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | 3.73 was the factory gear ratio in the C10 trucks of '64-'66. You can also check by removing the differential cover and counting the ring gears and pinion gears and dividing the larger number by the smaller number. This will give you the correct ratio of your rearend. I hope this helps.
Tony | | |
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