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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.
makes it stronger i guess. im not too sure but we used them at uti in hot rod when we built the engines and we use that copper coat at work when we build motors.