When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
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.
My stock motored LX tops out @ 144mph with 3.55's.
I'd say a little less with 3.73's.It really depends on how much horsepower that you have to counter act the wind resistance.