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Turbo Grand Prix

This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.

2,049 topics in this forum

  1. Blow Off Valve Location?

    By tgpguy21,   
    • 17 replies
    • 2.5k views
    • 1badtgp
    • 1badtgp

  2. How fast are the 3.1 turbo's factory

    By louich,   
    • 17 replies
    • 2k views
    • skalor
    • skalor

  3. Automatic Vs. Manual 1/4 mile times

    By skalor,   
    • 17 replies
    • 2.9k views
    • TGPilot
    • TGPilot

  4. How to identify a Jeff M chip?

    By Bossman429,   
    • 17 replies
    • 2.1k views
    • TGPilot
    • TGPilot

  5. What does your turbo sound like?

    By 90TGP,   
    • 17 replies
    • 2.2k views
    • Guest
    • Guest

  6. rebuilt crossover pipe fitment problem (EDIT: my fault)

    By Guest TurboSedan,   
    • 17 replies
    • 1.8k views
    • Guest
    • Guest

  7. Custom crossover and rear mani

    By J,   
    • 17 replies
    • 1.8k views
    • J
    • J

  8. TGP A/F Gauge behavior.. WTF?

    By LukeZ34,   
    • 17 replies
    • 2.1k views
    • Adam S.
    • Adam S.

  9. Is this too good to be true? Crate Vin V engine?

    By Adam S.,   
    • 17 replies
    • 2.1k views
    • TurboGTU
    • TurboGTU

  10. TGP torque converter

    By Intlcutlass,   
    • 17 replies
    • 2.1k views
    • GP1138
    • GP1138

  11. TSTE for parts

    By UWIautoparts,   
    • 17 replies
    • 2.1k views
    • lakefxgp96
    • lakefxgp96

  12. Well....I think I am going to need a name change

    By 90_Black_TGP,   
    • 17 replies
    • 2.2k views
    • 90_Black_TGP
    • 90_Black_TGP

  13. Turbo Grand Prix Window Sticker from Pace Car for the Movie "Days of Thunder"

    By Larry M,
    • 17 replies
    • 3.1k views
    • Garrett Powered
    • Garrett Powered

  14. Found a wire...

    By Addicted To Boost,   
    • 17 replies
    • 2k views
    • Addicted To Boost
    • Addicted To Boost

  15. 1990 TSTE Grand Prix not right/boost prob

    By SVOSTE90,   
    • 17 replies
    • 2.1k views
    • SVOSTE90
    • SVOSTE90

  16. New headliner

    By GOT2B GM,   
    • 17 replies
    • 2k views
    • pwmin
    • pwmin

  17. New here, love this car...

    By 500dollar744ti,
    • 17 replies
    • 1.9k views
    • boulevard
    • boulevard

  18. newbie: TGP help

    By TPG Greg,
    • 17 replies
    • 1.8k views
    • TPG Greg
    • TPG Greg

  19. mclaren gfx (yes i searched)

    By Mr_Efficiency,
    • 17 replies
    • 1.8k views
    • Mr_Efficiency
    • Mr_Efficiency

  20. Whats gas mileage do you get?

    By shadow,   
    • 17 replies
    • 1.8k views
    • Dark Ride
    • Dark Ride

  21. 1990 Pontiac Turbo Grand Prix - Tuned with Videos - Questions?

    By jongrappin,
    • 17 replies
    • 3k views
    • Garrett Powered
    • Garrett Powered

  22. Fuel Injectors

    By Nyshadow,   
    • 17 replies
    • 5.3k views
    • White93z34
    • White93z34

  23. TGP at Summit, IL Pick N Pull

    By ManicMechanic,   
    • 17 replies
    • 2.9k views
    • Heartbeat1991
    • Heartbeat1991

  24. $12 intake build

    By Canada4g63,
    • 17 replies
    • 10.8k views
    • mfewtrail
    • mfewtrail

  25. Who has a blow-off valve???

    By 90TGP,
    • 16 replies
    • 3.2k views
    • 90TGP
    • 90TGP
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