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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. $565 too much?

    By Garrett Powered,   
    • 10 replies
    • 1.5k views

  2. 89 tgp f/s

    By RARETGP,   
    • 2 replies
    • 951 views

  3. Tach accuracy

    By Addicted2bass,   
    • 2 replies
    • 974 views

  4. TGP Board

    By Addicted To Boost,   
    • 0 replies
    • 875 views

  5. Replacement Cooling Fans

    By Addicted To Boost,   
    • 1 reply
    • 893 views

  6. so, help me prepare for the 5 speed swap

    By stockgp,
    • 3 replies
    • 941 views

  7. MOVED: candy apple red 89 grand prix turbo

    By slick,   
    • 0 replies
    • 1k views

  8. MOVED: “Car For Sale� - 1990 Turbo Grand Prix STE 4-Door Sedan

    By slick,   
    • 0 replies
    • 4.1k views

  9. Car alarm

    By whip,   
    • 4 replies
    • 866 views

  10. anyone have a measured drawing of their turbo support bracket

    By stockgp,   
    • 9 replies
    • 1k views

  11. Grand Prix Turbo Motorweek tv review

    By mannix,   
    • 24 replies
    • 3.9k views

  12. Crossover pipe removal.

    By 89GPSE,   
    • 5 replies
    • 2.1k views

  13. TGP Trans codes

    By whip,   
    • 1 reply
    • 839 views

  14. wheels and tires *mods hear me out*

    By futuretgper,   
    • 1 reply
    • 963 views

  15. Stock Boost Gauge?

    By 89GPSE,   
    • 8 replies
    • 2.2k views

  16. Need an oil pan

    By origsmiley,   
    • 7 replies
    • 988 views

  17. Crank position sensor

    By asonofabeach69,   
    • 5 replies
    • 1.7k views

  18. Bellows Welding Question (Yes, I searched, I promise)

    By GhrarhG,   
    • 0 replies
    • 934 views

  19. 1990 TGP trans codes

    By whip,   
    • 1 reply
    • 874 views

  20. 4T60 vs 4T60-E

    By pradecki,   
    • 20 replies
    • 2.2k views

  21. 1990 TSTE Grand Prix not right/boost prob

    By SVOSTE90,   
    • 17 replies
    • 1.9k views

  22. New injectors.....cold start issue.

    By GOT2B GM,
    • 3 replies
    • 1.7k views

  23. TGPforums.com Problems

    By Pontiac6KSTEAWD,   
    • 23 replies
    • 2.5k views

  24. Blow Off Valve Installed

    By S P E E D,   
    • 16 replies
    • 2k views

  25. Update on the TGP, new actuator, FFP pulley, PCV line, datalogging???

    By GOT2B GM,   
    • 7 replies
    • 1.4k views
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