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Turbo Grand Prix

This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.

2,047 topics in this forum

  1. vaccume modulator must be plugged WHY?

    By 1trucavalier,   
    • 14 replies
    • 1.9k views
    • Chris A
    • Chris A

  2. Stock TGP turbo?

    By RedZMonte,   
    • 11 replies
    • 2.1k views
    • RedZMonte
    • RedZMonte

  3. Brake parts

    By carlseja,   
    • 2 replies
    • 1.6k views
    • RedZMonte
    • RedZMonte

  4. TGP's have very low drag coefficients...

    By 90TGP,   
    • 6 replies
    • 2.9k views
    • Guest
    • Guest

  5. where can i get a wastegateactuator?

    By Guest,   
    • 6 replies
    • 1.6k views
    • RedZMonte
    • RedZMonte

  6. brake light

    By tim_w,   
    • 1 reply
    • 1.3k views
    • Guest
    • Guest

  7. Antifreeze smell comin from somewhere?????

    By tgpguy21,   
    • 3 replies
    • 1.2k views
    • eclipse5302
    • eclipse5302

  8. Need Another TGP?

    By Redfox340,   
    • 9 replies
    • 1.9k views
    • Jeff M
    • Jeff M

  9. powermaster lll motor spins backwards

    By SleeperRed90TGp,   
    • 2 replies
    • 1.3k views
    • SleeperRed90TGp
    • SleeperRed90TGp

  10. Need TGP engine info...anyone?

    By eclipse5302,   
    • 3 replies
    • 1.7k views
    • Jeorge
    • Jeorge

  11. Injectors

    By eclipse5302,   
    • 0 replies
    • 1.3k views
    • eclipse5302
    • eclipse5302

  12. turbo wheels, turbo or GTP emblem but 91+ front end WTF!

    By 1trucavalier,   
    • 8 replies
    • 1.8k views
    • olds1992
    • olds1992

  13. tgp problem

    By Guest,   
    • 2 replies
    • 1.5k views
    • eclipse5302
    • eclipse5302

  14. TGP coolant overflow tank question

    By Guest TurboSedan,
    • 6 replies
    • 1.3k views
    • 1trucavalier
    • 1trucavalier

  15. PM III fluid levels

    By Lee,   
    • 1 reply
    • 1.3k views
    • eclipse5302
    • eclipse5302

  16. This is not a TGP but look at this once........

    By z24 turbo 93,   
    • 4 replies
    • 1.5k views
    • Chris A
    • Chris A

  17. met a Tgp owner (sort of) in Little Italy

    By Intlcutlass,   
    • 1 reply
    • 1.7k views
    • TGPilot
    • TGPilot

  18. 5 sp transfer again

    By Steve LS,   
    • 5 replies
    • 1.5k views
    • 1trucavalier
    • 1trucavalier

  19. My turbo DOHC update...

    By RedZMonte,   
    • 13 replies
    • 2k views
    • RedZMonte
    • RedZMonte

  20. battery relocation

    By manualturbo,   
    • 2 replies
    • 1.3k views
    • Intlcutlass
    • Intlcutlass

  21. Finally got my front lowering springs today.

    By 90TGP,   
    • 14 replies
    • 2k views
    • 90TGP
    • 90TGP

  22. TGP 3rd Brake Light Overlays...

    By TGPilot,   
    • 7 replies
    • 1.6k views
    • Guest
    • Guest

  23. TGP cam specs?

    By Intlcutlass,   
    • 19 replies
    • 2.6k views
    • SleeperRed90TGp
    • SleeperRed90TGp

  24. Have a look!

    By Guest Anonymous,   
    • 5 replies
    • 1.8k views
    • Rick5638
    • Rick5638

  25. Limited Slip for our transmissions???

    By 90TGP,   
    • 8 replies
    • 3.1k views
    • dykz34
    • dykz34
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