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eaton swap high mileage

  1. 2003 - 2004 Mach 1 Mustang
    As the title states, I have all the parts necessary to do the conversion, but question whether it is a smart idea to do so with the amount of mileage on the car. I change the oil every 5K with nothing but Mobil one synthetic. Is 47K alot? I'de hate to have to do a rebuild but that could be...
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