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Old 07-05-2008, 11:24 PM
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To improve your in town mileage try a shorter gear in the rear, a 3.25 or 3.50 will move the weight while not cutting into your highway mileage that much.

Have you considered a rebuild? There is no better bang for the buck than a good seal on the rings and no leak past the valves, it will boost your mileage and get some of that lost torque.

Forget the roller valve train stuff, the efficiency gain is less than 1%...you can get better than that by running narrower tires and pumping them to 40psi.
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