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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. my 1990 mclaren TGP tranny is a goner, rebuild or buy used?

    By McLaren1,   
    • 6 replies
    • 2k views
    • White93z34
    • White93z34

  2. TGP Appearance In Farewell Pontiac Video

    By Addicted To Boost,   
    • 5 replies
    • 1.4k views
    • boymeetspavement
    • boymeetspavement

  3. Something is very wrong.. No power, no boost

    By digitaloutsider,   
    • 11 replies
    • 2.4k views
    • McLaren1
    • McLaren1

  4. stock 1990 grand prix turbo

    By hlmorris,   
    • 10 replies
    • 1.7k views
    • digitaloutsider
    • digitaloutsider

  5. Turbo buick? 1 2

    By Liquid_Neon_00,   
    • 33 replies
    • 4.7k views
    • Liquid_Neon_00
    • Liquid_Neon_00

  6. Boneyard Find

    By Husky,   
    • 24 replies
    • 3.1k views
    • 88Regal Limited
    • 88Regal Limited

  7. It's doing it again, not starting cold...

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

  8. Who here is running a 284 in their TGP?

    By ManicMechanic,   
    • 10 replies
    • 1.5k views
    • Addicted To Boost
    • Addicted To Boost

  9. TGP Fuel Injectors

    By 94GPGTP,
    • 8 replies
    • 1.5k views
    • 94GPGTP
    • 94GPGTP

  10. Mitch R's TGP Restoration Thread Updated 9-18-18 1 2 3 4 5

    By Dark Ride,
    • 121 replies
    • 30.7k views
    • Dark Ride
    • Dark Ride

  11. bad injector leaking?

    By boostedponty,   
    • 6 replies
    • 2.4k views
    • boostedponty
    • boostedponty

  12. Color combos

    By ManicMechanic,   
    • 12 replies
    • 1.8k views
    • Garrett Powered
    • Garrett Powered

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

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

  14. TSTE Help !! Jeff M ?

    By SuperchargedFiero,   
    • 5 replies
    • 1.7k views
    • Addicted To Boost
    • Addicted To Boost

  15. MOVED: Need to buy Tires

    By White93z34,   
    • 0 replies
    • 940 views
    • White93z34
    • White93z34

  16. Have money, need a Tune and my Cross-Over rebuilt.

    By 89GPSE,
    • 3 replies
    • 1.2k views
    • fishman517
    • fishman517

  17. sia electronics PMIII parts

    By Garrett Powered,   
    • 13 replies
    • 2.7k views
    • desert sling
    • desert sling

  18. sliping in reverse now wat?

    By boostedponty,   
    • 2 replies
    • 1.2k views
    • 94GPGTP
    • 94GPGTP

  19. New addition to the Family

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

  20. Finally Dubbed the 89 TGP factory tape

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

  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
    • 6.9k views
    • Garrett Powered
    • Garrett Powered

  22. transmission modulator check valve

    By boostedponty,   
    • 15 replies
    • 7.7k views
    • Addicted To Boost
    • Addicted To Boost

  23. TGP Trans Codes 1990

    By whip,   
    • 1 reply
    • 1.1k views
    • mfewtrail
    • mfewtrail

  24. i just bought a tgp! 1 2

    By boostedponty,   
    • 25 replies
    • 2.8k views
    • boostedponty
    • boostedponty

  25. Fuel Pump Needed

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