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Click on image for the lowdown. 
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| | | Forums66 Topics128,086 Posts1,056,101 Members48,434 | | 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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on the Internet for over 30 years! and not clogged down
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| | | | Joined: Jan 2014 Posts: 3,685 'Bolter | | 'Bolter Joined: Jan 2014 Posts: 3,685 | 3.73 rear and a 0.72 OD would have you square in the middle of the torque band rpm at 64ish MPH. And OD would still be usable starting at just a fuzz over 50 mph. https://spicerparts.com/calculators/transmission-ratio-rpm-calculator
Last edited by JW51; 11/02/2024 6:11 PM.
1951 3100
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