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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. Boost loss after 2nd gear? 1 2

    By Prospeeder,   
    • 28 replies
    • 2.6k views
    • Jeff M
    • Jeff M

  2. I just bought a 90 tgp and dont know much about em yet. 1 2

    By red90tgp,   
    • 28 replies
    • 2.6k views
    • Garrett Powered
    • Garrett Powered

  3. Turbo care sticker? 1 2

    By Psych0matt,   
    • 28 replies
    • 3.2k views
    • ChurBoywithALLthemGRANDS
    • ChurBoywithALLthemGRANDS

  4. Gas Mileage... 1 2

    By SSEiyah93,   
    • 28 replies
    • 3.4k views
    • shadow
    • shadow

  5. just saved this 90 mclaren gp from a field in va 1 2

    By jffocused,   
    • 28 replies
    • 5.3k views
    • jffocused
    • jffocused

  6. Info and advise needed 1 2

    By Steve LS,   
    • 27 replies
    • 6.1k views
    • Steve LS
    • Steve LS

  7. Man, I wonder if I can do this... 1 2

    By eclipse5302,   
    • 27 replies
    • 4k views
    • TGPilot
    • TGPilot

  8. BOV part #'s 1 2

    By tgpguy21,
    • 27 replies
    • 3.7k views
    • TGPilot
    • TGPilot

  9. turbo coolant line return? 1 2

    By Guest TurboSedan,   
    • 27 replies
    • 3.5k views
    • Jeff M
    • Jeff M

  10. getrag 282 behind my turbo 3.1? 1 2

    By turbostewhite,   
    • 27 replies
    • 5.7k views
    • pwmin
    • pwmin

  11. PARTING OUT COMPLETE 1990 MCLAREN TURBO GRAND PRIX! READ!!!! 1 2

    By Jinxed,   
    • 27 replies
    • 4.8k views
    • brian89gp
    • brian89gp

  12. Radiators, LOL 1 2

    By gp90se,   
    • 27 replies
    • 2.7k views
    • Jeff M
    • Jeff M

  13. front clip swapp 1 2

    By perfecseal,   
    • 27 replies
    • 2.6k views
    • god910
    • god910

  14. Where's the Vacuum canister hook up at? 1 2

    By Bossman429,   
    • 27 replies
    • 8k views
    • GutlessSupreme
    • GutlessSupreme

  15. Trying to decide what to do with this STE... (Long) 1 2

    By dbtk2,
    • 27 replies
    • 2.9k views
    • TurboGTU
    • TurboGTU

  16. Mclaren Grand Prix Turbo Kit Question 1 2

    By M-I-A,   
    • 27 replies
    • 4.2k views
    • GutlessSupreme
    • GutlessSupreme

  17. Looking for 4T60 Transmission - 90 TGP 1 2

    By Wolf Mischief,   
    • 27 replies
    • 3.1k views
    • Garrett Powered
    • Garrett Powered

  18. My New Turbo Wahoo! 1 2

    By bodyman,   
    • 27 replies
    • 2.8k views
    • TGPilot
    • TGPilot

  19. Failed Illinois Emissions!! Final test 10-20-06!!! 1 2

    By mannix,
    • 27 replies
    • 2.6k views
    • RareGMFan
    • RareGMFan

  20. TGP Posters 1 2

    By kuntzie,   
    • 27 replies
    • 3.4k views
    • 89GPSE
    • 89GPSE

  21. TGP Cluster HELP! 1 2

    By Addicted To Boost,   
    • 27 replies
    • 3.2k views
    • Addicted To Boost
    • Addicted To Boost

  22. TGP air Conditioning 1 2

    By shadow,   
    • 27 replies
    • 4k views
    • GOT2B GM
    • GOT2B GM

  23. An important UNIMPORTANT question about 0-60 times... 1 2

    By SSEiyah93,   
    • 27 replies
    • 3.1k views
    • SSEiyah93
    • SSEiyah93

  24. Disco Potato Install Help Needed! 1 2

    By Penglii,   
    • 27 replies
    • 4.5k views
    • Penglii
    • Penglii

  25. Boost Gauge Question 1 2

    By RobertISaar,   
    • 27 replies
    • 6.1k views
    • RobertISaar
    • RobertISaar
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