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better mileage
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  1. Product Reviews
    Just ran a full tank of regular gas treated with Amsoil Pi gasoline additive.... I saw some test results on how well this stuff cleans fuel injectors and wanted to try it. They claim average mileage improvement of 2.7% and up to 5.2. My average went from 19.8 to 20.8 mostly in town driving with...
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