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Turbo Grand Prix

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

2,051 topics in this forum

  1. 1989 TGP To Part out or Not

    By wachs,   
    • 12 replies
    • 3.8k views
    • meltboy1
    • meltboy1

  2. Wiring garbage on TGP

    By Gibby,   
    • 6 replies
    • 3k views
    • NTRCOOL
    • NTRCOOL

  3. PMIII parts availability

    By Gibby,   
    • 12 replies
    • 3.8k views
    • movielover40
    • movielover40

  4. Pipe Oil Cooler

    By tgp,   
    • 0 replies
    • 2.1k views
    • tgp
    • tgp

  5. Having an argument with someone over Canada sold TGPs. 1 2

    By ManicMechanic,   
    • 27 replies
    • 7k views
    • ManicMechanic
    • ManicMechanic

  6. Vacuum block clip

    By NTRCOOL,   
    • 4 replies
    • 2.6k views
    • Heartbeat1991
    • Heartbeat1991

  7. air to water intercooler for a turbo

    By Marshal,   
    • 1 reply
    • 2.4k views
    • Bake82
    • Bake82

  8. Anyone here installed a wideband o2 sensor using the stock ECM and tuning?

    By GHOSTOWLGRID,   
    • 5 replies
    • 2.8k views
    • Garrett Powered
    • Garrett Powered

  9. 90 Turbo Grand Prix, I noticed redline, why does it go past redline?

    By GHOSTOWLGRID,   
    • 7 replies
    • 3k views
    • RobertISaar
    • RobertISaar

  10. 1990 TGP

    By Art Reilly,   
    • 16 replies
    • 3.9k views
    • Garrett Powered
    • Garrett Powered

  11. Help identifying Turbo

    By jman093,   
    • 19 replies
    • 4.2k views
    • Garrett Powered
    • Garrett Powered

  12. Just another PM3 thread.

    By jman093,
    • 5 replies
    • 2k views
    • oldindian46
    • oldindian46

  13. TGP IC pusher fan

    By Gibby,   
    • 16 replies
    • 3.5k views
    • Heartbeat1991
    • Heartbeat1991

  14. TSTE Wiring Diagram?

    By Withilt,   
    • 0 replies
    • 1.6k views
    • Withilt
    • Withilt

  15. What are TGP's going for?

    By jctweedt,   
    • 3 replies
    • 2k views
    • Garrett Powered
    • Garrett Powered

  16. New to the forum.

    By Suddog,
    • 9 replies
    • 2.2k views
    • Cully77
    • Cully77

  17. Cam & water pump pulley question

    By twalt13,   
    • 7 replies
    • 2.6k views
    • twalt13
    • twalt13

  18. Transmission Replacement

    By Chewy Peltier,   
    • 0 replies
    • 2k views
    • Chewy Peltier
    • Chewy Peltier

  19. Newbie

    By turbograndprix,
    • 19 replies
    • 3.1k views
    • Heartbeat1991
    • Heartbeat1991

  20. how to fix..Instrument cluster doesn't work and neither does HUD

    By Chewy Peltier,   
    • 5 replies
    • 2.3k views
    • RobertISaar
    • RobertISaar

  21. PMIII Parts List

    By Heartbeat1991,   
    • 5 replies
    • 2.4k views
    • shurup
    • shurup

  22. TGP in Omaha auction

    By ManicMechanic,   
    • 5 replies
    • 2.5k views
    • Suddog
    • Suddog

  23. Hello: Back and driving a TGP

    By TheDoug,   
    • 5 replies
    • 2.2k views
    • TheDoug
    • TheDoug

  24. Dan's 1990 TGP Take 2 1 2 3 4 8

    By Heartbeat1991,   
    • 198 replies
    • 36.7k views
    • killinprixs
    • killinprixs

  25. Returning Member just picked up a TGP! 1 2

    By Z34-5speed,
    • 49 replies
    • 7.2k views
    • Z34-5speed
    • Z34-5speed
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