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Turbo Grand Prix

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

2,050 topics in this forum

  1. Firing Order

    By GTPFiero,   
    • 3 replies
    • 7.9k views
    • GTPFiero
    • GTPFiero

  2. My TGP Is Ill 1 2 3

    By EGTGP,   
    • 52 replies
    • 7.9k views
    • EGTGP
    • EGTGP

  3. Well, This sucks . .. 1 2

    By Heartbeat1991,   
    • 39 replies
    • 7.8k views
    • pshojo
    • pshojo

  4. what wideband are you using? 1 2

    By Garrett Powered,   
    • 33 replies
    • 7.6k views
    • Garrett Powered
    • Garrett Powered

  5. transmission modulator check valve

    By boostedponty,   
    • 15 replies
    • 7.5k views
    • Addicted To Boost
    • Addicted To Boost

  6. 89 and 90 TGP differences 1 2 3 4

    By Prospeeder,
    • 75 replies
    • 7.4k views
    • Prospeeder
    • Prospeeder

  7. Red 89 TGP at EZ Pull N Save, New Ringgold PA 1 2

    By tar6569,   
    • 38 replies
    • 7.2k views
    • LuminaPower92
    • LuminaPower92

  8. Dan's TGP Take 3 1 2

    By Heartbeat1991,
    • 27 replies
    • 7.2k views
    • Heartbeat1991
    • Heartbeat1991

  9. EGR tube NEED REPLACEMENT HELP 1 2

    By scottyj,   
    • 26 replies
    • 7.1k views
    • Garrett Powered
    • Garrett Powered

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

    By Z34-5speed,
    • 49 replies
    • 6.9k views
    • Z34-5speed
    • Z34-5speed

  11. TGPForums 1 2 3

    By krenzy,
    • 67 replies
    • 6.9k views
    • krenzy
    • krenzy

  12. Storing My TGP 1 2

    By Addicted To Boost,   
    • 42 replies
    • 6.9k views
    • TGP Z-34 STE
    • TGP Z-34 STE

  13. Symptoms of a bad Crank Sensor???

    By 90TGP,   
    • 6 replies
    • 6.9k views
    • 1trucavalier
    • 1trucavalier

  14. TGP at local yard 1 2 3

    By GrandPrixII,   
    • 65 replies
    • 6.9k views
    • Addicted2bass
    • Addicted2bass

  15. i think Jeff M should resign as moderator. 1 2 3

    By Guest TurboSedan,   
    • 64 replies
    • 6.8k views
    • Jeff M
    • Jeff M

  16. Autometer Electronic Boost Gauge Map Question 1 2

    By Dark Ride,   
    • 37 replies
    • 6.8k views
    • Dark Ride
    • Dark Ride

  17. New TGP Owner 1 2 3

    By Kaos,   
    • 50 replies
    • 6.8k views
    • Dark Ride
    • Dark Ride

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

    By ManicMechanic,   
    • 27 replies
    • 6.8k views
    • ManicMechanic
    • ManicMechanic

  19. Onto the Next subject 1 2

    By redgrandprix,   
    • 39 replies
    • 6.7k views
    • Garrett Powered
    • Garrett Powered

  20. vacuum leak causing hesitant shifting?

    By Psych0matt,   
    • 14 replies
    • 6.6k views
    • Psych0matt
    • Psych0matt

  21. Towed my tgp home last week and done a few small things I am in love! 1 2 3

    By desert sling,
    • 55 replies
    • 6.6k views
    • Garrett Powered
    • Garrett Powered

  22. wastegate problems? 1 2

    By redgrandprix,   
    • 39 replies
    • 6.6k views
    • redgrandprix
    • redgrandprix

  23. TGP full restoration, long term project 1 2

    By EMNCFI,   
    • 30 replies
    • 6.6k views
    • EMNCFI
    • EMNCFI

  24. 90 STE Turbo Grand Prix 1 2 3

    By Mike C,   
    • 67 replies
    • 6.5k views
    • Pontiac6KSTEAWD
    • Pontiac6KSTEAWD

  25. Inaccurate tach & speedo

    By greenmachine,   
    • 23 replies
    • 6.4k views
    • NTRCOOL
    • NTRCOOL
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