So, im very new at modding cars and I recently had a 1989 Mustang LX Convertible given to me. I noticed that the top speed is only 85mph, are there ways for me to increase top speed to 140 like the 5.0 Model? Also Is it costly?
A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more!