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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
I bought Ford Racing ones and the contact patch between the ring and pinion gears was about twice as much as the stock ones. The racing ones had the full tooth of contact where as the stock ones only had about half. Im not sure about motive geras though.