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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.
im planing to do the rearend on my92,What you guy think 3.90 or 4.10 on a five speed. a friend of my has 3.90 on his 89 and he says it feels the same as 3.73
im in what seems to be the same situation as you. My 88lx is my daily driver but i love goin fast. The only races my car sees is when the honda next to is reving his engine at the stoplight. I have decided to get 3.90 just because why not save the little extra gas i can, plus i already smoke pretty much anything that rolls up next to me on the street so you don't really need the 4.10 imo