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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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#45012 10/21/2003 7:21 AM | Joined: Feb 2000 Posts: 5,215 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,215 | The factory gearing was 3.90 or 4.10 most likely. Your four speed has direct drive forth, no over or under drive. It should be a great combination. I run a 250 with automatic and 3.42 rear axle in a '37. At 70 mph its turning about 2900 with a 235/75R15 radial (28.7" tall). Joe | | |
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