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Shawn D: Your final drive ratio drive change had exactly the same effects as mine. A 15% reduction in ratio bought you solid MPG improvements if at the cost of autocross performance.
Overall gear ratio is a powerful tool for improvement of MPG. Too bad so many vehicles are so difficult to effect gear ratio modifications.
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2000 Ford F-350 SC 4x2 6 Speed Manual
4" Slam
3.08:1 gears and Gear Vendor Overdrive
Rubber Conveyor Belt Air Dam
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