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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. Coolant overflow + Vacuum lines

    By Bake82,
    • 3 replies
    • 3k views

  2. Compressor Bypass Valve

    By turbojohn,   
    • 5 replies
    • 1.7k views

  3. Fuel Tank Sender

    By turbojohn,   
    • 6 replies
    • 1.3k views

  4. How come the Mustang guys got all the cool shit...

    By GutlessSupreme,   
    • 15 replies
    • 1.9k views

  5. Run-Test Fuel Pump Question

    By turbojohn,   
    • 6 replies
    • 1.1k views

  6. T25 rebuild

    By turbojohn,   
    • 11 replies
    • 1.8k views

  7. Hitting fuel cut more and more often....possibly ignition? 1 2

    By GOT2B GM,   
    • 37 replies
    • 2.3k views

  8. Knocking/ticking noise at startup

    By Addicted2bass,   
    • 5 replies
    • 2.8k views

  9. tach off/cant rev high enough.

    By patgizz,   
    • 3 replies
    • 1.6k views

  10. My TGP is no more

    By 90TGP,   
    • 13 replies
    • 1.6k views

  11. Fly'in High

    By turbojohn,   
    • 15 replies
    • 1.9k views

  12. newbie with a question

    By Boostedprix,   
    • 4 replies
    • 4k views

  13. A pillar guage setups

    By Psych0matt,   
    • 6 replies
    • 979 views

  14. My Engine cradle broke loose from the car and lost all steering!

    By Tooky,   
    • 5 replies
    • 5.7k views

  15. New here, love this car...

    By 500dollar744ti,
    • 17 replies
    • 1.8k views

  16. 1990 TGP radiator support

    By whip,   
    • 5 replies
    • 1k views

  17. found a bad ass doner car

    By Garrett Powered,   
    • 12 replies
    • 1.4k views

  18. EGR tube NEED REPLACEMENT HELP 1 2

    By scottyj,   
    • 26 replies
    • 6.7k views

  19. Random electrical problems

    By Addicted2bass,   
    • 8 replies
    • 1.2k views

  20. how to switch to vacuum brakes?

    By turbogp17,   
    • 11 replies
    • 1.1k views

  21. What are the tricks?

    By charged 3.1,   
    • 22 replies
    • 1.7k views

  22. New headliner

    By GOT2B GM,   
    • 17 replies
    • 1.9k views

  23. will these wheels bolt right up?

    By Garrett Powered,   
    • 1 reply
    • 942 views

  24. Pictures of my "mini" TGP 1 2

    By mannix,
    • 36 replies
    • 5.9k views

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

    By 90TGP,
    • 37 replies
    • 3.5k views
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