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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. Grand Prix Turbo Motorweek tv review

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

  2. Stock Boost Gauge?

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

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

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

  4. 1990 TGP trans codes

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

  5. Need an oil pan

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

  6. Crank position sensor

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

  7. 4T60 vs 4T60-E

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

  8. New injectors.....cold start issue.

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

  9. 1990 TSTE Grand Prix not right/boost prob

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

  10. FS: 1990 TGP *CHEAP* $1200 obo *Relisted* 1 2

    By 90TGP,
    • 37 replies
    • 3.7k views
    • Robby1870
    • Robby1870

  11. TGPforums.com Problems

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

  12. Boost Gauge Install

    By S P E E D,   
    • 0 replies
    • 1.8k views
    • S P E E D
    • S P E E D

  13. Blow Off Valve Installed

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

  14. Stock or aftermarket rad???

    By S P E E D,   
    • 23 replies
    • 2.2k views
    • S P E E D
    • S P E E D

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

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

  16. New TGP Owner

    By S P E E D,
    • 22 replies
    • 2.7k views
    • krenzy
    • krenzy

  17. 1990 tgp trans remove

    By whip,   
    • 3 replies
    • 956 views
    • kuntzie
    • kuntzie

  18. Problem Without a Clue.....

    By Addicted To Boost,   
    • 7 replies
    • 968 views
    • Addicted To Boost
    • Addicted To Boost

  19. 1990 TGP Trans

    By whip,   
    • 10 replies
    • 1.4k views
    • gp90se
    • gp90se

  20. Tranny

    By stubby,   
    • 16 replies
    • 1.8k views
    • stubby
    • stubby

  21. Factory boost controller and MBC at the same time

    By GOT2B GM,   
    • 4 replies
    • 1.2k views
    • GutlessSupreme
    • GutlessSupreme

  22. T28 question

    By 350TPI,   
    • 5 replies
    • 986 views
    • GutlessSupreme
    • GutlessSupreme

  23. found a Jeff M rebuilt crossover

    By erich,   
    • 16 replies
    • 1.9k views
    • TGPilot
    • TGPilot

  24. grand prix 1990 turbo Mclaren

    By whip,   
    • 18 replies
    • 2.6k views
    • Dark Ride
    • Dark Ride

  25. dyno sheets and questions!

    By futuretgper,   
    • 5 replies
    • 1k views
    • TGPilot
    • TGPilot
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