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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. MY 1990 TGP has no power 1 2

    By EMNCFI,   
    • 33 replies
    • 4.1k views
    • EMNCFI
    • EMNCFI

  2. 02 Sensor Part #

    By Addicted2bass,   
    • 4 replies
    • 1k views
    • mfewtrail
    • mfewtrail

  3. i think my TGP is broken - please HELP(pics of damage) 1 2

    By patgizz,   
    • 30 replies
    • 3.5k views
    • SigEpCutlass
    • SigEpCutlass

  4. NEED TURBO PART!!

    By maddmatt68,   
    • 5 replies
    • 1.3k views
    • GOT2B GM
    • GOT2B GM

  5. Fuel injector info request. 1 2

    By Crazy K,   
    • 26 replies
    • 10.3k views
    • Crazy K
    • Crazy K

  6. TGP Newbie......

    By raymire59,   
    • 12 replies
    • 2.2k views
    • mfewtrail
    • mfewtrail

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

    By 89GPSE,
    • 3 replies
    • 1.1k views
    • fishman517
    • fishman517

  8. TGP Driveability Issues 1 2 3

    By Addicted To Boost,
    • 50 replies
    • 4.4k views
    • Addicted To Boost
    • Addicted To Boost

  9. 3.1T swap price?

    By 88Regal Limited,   
    • 3 replies
    • 1.1k views
    • 88Regal Limited
    • 88Regal Limited

  10. TGP at local yard 1 2 3

    By GrandPrixII,   
    • 65 replies
    • 6.2k views
    • Addicted2bass
    • Addicted2bass

  11. PMIII Accumulators

    By Addicted To Boost,
    • 2 replies
    • 983 views
    • desert sling
    • desert sling

  12. sia electronics PMIII parts

    By Garrett Powered,   
    • 13 replies
    • 2.5k views
    • desert sling
    • desert sling

  13. Quick cat size question UPDATE: Exhaust installed, video 1 2

    By digitaloutsider,   
    • 29 replies
    • 2.5k views
    • White93z34
    • White93z34

  14. stock 1990 grand prix turbo

    By hlmorris,   
    • 10 replies
    • 1.5k views
    • digitaloutsider
    • digitaloutsider

  15. MOVED: I need tail lights

    By mfewtrail,   
    • 0 replies
    • 945 views
    • mfewtrail
    • mfewtrail

  16. TGP Appearance In Farewell Pontiac Video

    By Addicted To Boost,   
    • 5 replies
    • 1.2k views
    • boymeetspavement
    • boymeetspavement

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

    By McLaren1,   
    • 6 replies
    • 1.8k views
    • White93z34
    • White93z34

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

    By digitaloutsider,   
    • 11 replies
    • 2.2k views
    • McLaren1
    • McLaren1

  19. Turbo buick? 1 2

    By Liquid_Neon_00,   
    • 33 replies
    • 3.9k views
    • Liquid_Neon_00
    • Liquid_Neon_00

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

    By meltboy1,   
    • 3 replies
    • 1k views
    • meltboy1
    • meltboy1

  21. MY TGP progress thread UPDATE - ON THE ROAD! 1 2

    By patgizz,
    • 35 replies
    • 3.1k views
    • 90TGP
    • 90TGP

  22. TGP Fuel Injectors

    By 94GPGTP,
    • 8 replies
    • 1.3k views
    • 94GPGTP
    • 94GPGTP

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

    By ManicMechanic,   
    • 10 replies
    • 1.3k views
    • Addicted To Boost
    • Addicted To Boost

  24. 396whp and 473wtq!!!!!! 1 2 3 4 17

    By kuntzie,   
    • 417 replies
    • 31.3k views
    • kuntzie
    • kuntzie

  25. bad injector leaking?

    By boostedponty,   
    • 6 replies
    • 2.2k views
    • boostedponty
    • boostedponty
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