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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.
dont have one yet, but would get a CAI, underdrive pulleys, longtubes w/ o/r h-pipe, or cat-back (more for sound than performance). you could also get a bigger tb and if its a efi older than 89 (or 88 florida) then maybe convert to mass air. <IMG src=smileys/smiley4.gif border="0">