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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!
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| | | | Joined: Feb 2000 Posts: 5,198 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,198 | Here is a bunch of good information, http://www.jalopyjournal.com/forum/threads/[censored]-poor-mileage-from-a-700r4.972740/I would think a 3.73 or 3.90 would be a much better choice. You have a heavy truck that is going to push a bunch of air at highway speeds, so if the motor doesn't make all its torque at very low rpm, you are going to have trouble with downshifting and poor milage. joe | | |
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