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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.
What do you have for mods already? Or are you 100% stock all teh way through? If you are, tehre are two things you can do for free to get some extra HP.