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Re: Tire sizes and speedometer mileage reading
Tire diameter will affect mileage readings from a little to a lot depending on the size. Download a free GPS speedometer app on your phone and use it to compare to what your truck speedometer says. They are very accurate. Even the amount of tread wear can result in a difference from new tires to well worn.
Tom
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'69 swb stepside in progress.
'59 Corvette lifetime project
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