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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. Who here is running a 284 in their TGP?

    By ManicMechanic,   
    • 10 replies
    • 1.4k views
    • Addicted To Boost
    • Addicted To Boost

  2. 396whp and 473wtq!!!!!! 1 2 3 4 17

    By kuntzie,   
    • 417 replies
    • 33.6k views
    • kuntzie
    • kuntzie

  3. bad injector leaking?

    By boostedponty,   
    • 6 replies
    • 2.3k views
    • boostedponty
    • boostedponty

  4. BOV Issue? ya, acting up again...

    By meltboy1,   
    • 4 replies
    • 1.2k views
    • meltboy1
    • meltboy1

  5. TSTE Help !! Jeff M ?

    By SuperchargedFiero,   
    • 5 replies
    • 1.6k views
    • Addicted To Boost
    • Addicted To Boost

  6. MOVED: Need to buy Tires

    By White93z34,   
    • 0 replies
    • 892 views
    • White93z34
    • White93z34

  7. New addition to the Family

    By chasin_shadowz,
    • 12 replies
    • 1.6k views
    • Addicted To Boost
    • Addicted To Boost

  8. sliping in reverse now wat?

    By boostedponty,   
    • 2 replies
    • 1.1k views
    • 94GPGTP
    • 94GPGTP

  9. transmission modulator check valve

    By boostedponty,   
    • 15 replies
    • 7.4k views
    • Addicted To Boost
    • Addicted To Boost

  10. Finally Dubbed the 89 TGP factory tape

    By chasin_shadowz,   
    • 4 replies
    • 1.1k views
    • chasin_shadowz
    • chasin_shadowz

  11. TGP Trans Codes 1990

    By whip,   
    • 1 reply
    • 1k views
    • mfewtrail
    • mfewtrail

  12. Turbos Surging in & out

    By shadow,   
    • 23 replies
    • 2.4k views
    • shadow
    • shadow

  13. Bogging/hesitation under WOT

    By digitaloutsider,
    • 20 replies
    • 3.1k views
    • shadow
    • shadow

  14. Running price of HUD windshield glass

    By digitaloutsider,   
    • 10 replies
    • 4.4k views
    • shadow
    • shadow

  15. i just bought a tgp! 1 2

    By boostedponty,   
    • 25 replies
    • 2.7k views
    • boostedponty
    • boostedponty

  16. Fuel Pump Needed

    By 94GPGTP,   
    • 10 replies
    • 2.3k views
    • 94GPGTP
    • 94GPGTP

  17. New to w-bodies and looking at purchasing Turbo grand prix.

    By SmallTires,   
    • 20 replies
    • 2k views
    • digitaloutsider
    • digitaloutsider

  18. New TGP Owner 1 2 3

    By Kaos,   
    • 50 replies
    • 6.4k views
    • Dark Ride
    • Dark Ride

  19. which wheels would look best? 1 2 3 4

    By Garrett Powered,   
    • 76 replies
    • 9.3k views
    • kuntzie
    • kuntzie

  20. Accumulator

    By Kaos,   
    • 7 replies
    • 1.5k views
    • Garrett Powered
    • Garrett Powered

  21. ECM question on 1990 turbo

    By RLKBOB,   
    • 20 replies
    • 2.8k views
    • RLKBOB
    • RLKBOB

  22. Ford Yellow top Injectors

    By Shifter23,
    • 3 replies
    • 1.9k views
    • Addicted To Boost
    • Addicted To Boost

  23. Has anyone bought from this yard?

    By Shifter23,   
    • 0 replies
    • 929 views
    • Shifter23
    • Shifter23

  24. Do all '90 TGPs have the vacuum EGR?

    By digitaloutsider,   
    • 2 replies
    • 1.1k views
    • GOT2B GM
    • GOT2B GM

  25. Anyone have any up-close pictures of the vacuum clip at the throttle body

    By slick,   
    • 14 replies
    • 1.8k views
    • slick
    • slick
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