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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.
any guess on what what might cause that if its not the a/c? while at idle you can hear something click and when it does thatsomething puts drag on the motor and im sure its not the ac. ( I dont know any thing about smog pumpso that was my next guess after the a/c