You're going to have to change the MC to correct the issue. Try a 93 Cobra MC (it'll cost you a arm, leg and a nite with the wife) or a MC from a V6 SN95.
Weld Draglites & Tires, PERFECT!!! (SOLD)
I have these on y 85 GT and decided to upgrade to FR500... The wheels and tires have less than 1500 miles and are in excellent condition. I will take $530 SHIPPED anywhere in the US.
SOLD To BoxCar!!!