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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
    • 1.6k views
    • Garrett Powered
    • Garrett Powered

  2. 89 tgp f/s

    By RARETGP,   
    • 2 replies
    • 989 views
    • GP1138
    • GP1138

  3. Tach accuracy

    By Addicted2bass,   
    • 2 replies
    • 1k views
    • Addicted2bass
    • Addicted2bass

  4. TGP Board

    By Addicted To Boost,   
    • 0 replies
    • 909 views
    • Addicted To Boost
    • Addicted To Boost

  5. Replacement Cooling Fans

    By Addicted To Boost,   
    • 1 reply
    • 923 views
    • GOT2B GM
    • GOT2B GM

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

    By stockgp,
    • 3 replies
    • 981 views
    • stockgp
    • stockgp

  7. MOVED: candy apple red 89 grand prix turbo

    By slick,   
    • 0 replies
    • 1k views
    • slick
    • slick

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

    By slick,   
    • 0 replies
    • 4.2k views
    • slick
    • slick

  9. Car alarm

    By whip,   
    • 4 replies
    • 904 views
    • Robby1870
    • Robby1870

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

    By stockgp,   
    • 9 replies
    • 1.1k views
    • stockgp
    • stockgp

  11. Grand Prix Turbo Motorweek tv review

    By mannix,   
    • 24 replies
    • 4k views
    • ns87
    • ns87

  12. Crossover pipe removal.

    By 89GPSE,   
    • 5 replies
    • 2.2k views
    • intern8tion9l
    • intern8tion9l

  13. TGP Trans codes

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

  14. wheels and tires *mods hear me out*

    By futuretgper,   
    • 1 reply
    • 1k views
    • 89GPSE
    • 89GPSE

  15. Stock Boost Gauge?

    By 89GPSE,   
    • 8 replies
    • 2.3k views
    • Dark Ride
    • Dark Ride

  16. Need an oil pan

    By origsmiley,   
    • 7 replies
    • 1k views
    • slick
    • slick

  17. Crank position sensor

    By asonofabeach69,   
    • 5 replies
    • 1.7k views
    • krenzy
    • krenzy

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

    By GhrarhG,   
    • 0 replies
    • 980 views
    • GhrarhG
    • GhrarhG

  19. 1990 TGP trans codes

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

  20. 4T60 vs 4T60-E

    By pradecki,   
    • 20 replies
    • 2.3k views
    • kuwaitliberation
    • kuwaitliberation

  21. 1990 TSTE Grand Prix not right/boost prob

    By SVOSTE90,   
    • 17 replies
    • 2k views
    • SVOSTE90
    • SVOSTE90

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

    By GOT2B GM,
    • 3 replies
    • 1.7k views
    • GOT2B GM
    • GOT2B GM

  23. TGPforums.com Problems

    By Pontiac6KSTEAWD,   
    • 23 replies
    • 2.6k views
    • Addicted To Boost
    • Addicted To Boost

  24. Blow Off Valve Installed

    By S P E E D,   
    • 16 replies
    • 2.1k views
    • Garrett Powered
    • Garrett Powered

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

    By GOT2B GM,   
    • 7 replies
    • 1.5k views
    • z24turbo93
    • z24turbo93
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