Are they compatible

[Helltime]

I have a friend that has underdrive pulleys for his 91 mustang 5.0 that he gave me a good price on and I was wondering if they are compatible with my 83 mustang 5.0

 

[Stang8URMPRT]

As long as you have a serpentine belt drive, they're capatible.

 

[Helltime]

So with out it they are not? Ok thanks. How did you like your 83 glx convertible

 

[Stang8URMPRT]

I loved it man. Ran real nice. Had it for 7 years and blew the 4th motor, so I decided it was time to move on. Had AFR 165s on it, Comp Cams XE274E, Torker II intake, Edel carb... full drag suspension and an NOS cheater kit with a full seperate nitrous enrichment fuel setup. Ran a best of 12.5 @ 109 before the heads and cam on Drag Radials. I loved that car and miss it so much. Here's a couple pics....

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Good luck with it man... It's an awesome car.

 

[Helltime]

Wow that is nice.