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Turbo Grand Prix

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

2,051 topics in this forum

  1. Short speedo vid(no sound unfortunately) ~20-112mph 1 2

    By mfewtrail,   
    • 30 replies
    • 3.3k views
    • Jeorge
    • Jeorge

  2. The Best Headgaskets for the TGP's....

    By Gearhead43,   
    • 16 replies
    • 3.3k views
    • 1badtgp
    • 1badtgp

  3. My TGP is one of a kind?

    By 89GPSE,   
    • 12 replies
    • 3.3k views
    • GOT2B GM
    • GOT2B GM

  4. Boneyard Find

    By Husky,   
    • 24 replies
    • 3.3k views
    • 88Regal Limited
    • 88Regal Limited

  5. AC Compressor noise? How about alternator output? Updated with results

    By R Dubya,   
    • 14 replies
    • 3.3k views
    • Black 90 TGP
    • Black 90 TGP

  6. Bogging/hesitation under WOT

    By digitaloutsider,
    • 20 replies
    • 3.3k views
    • shadow
    • shadow

  7. Turbos Boost Gauge Died

    By shadow,   
    • 24 replies
    • 3.3k views
    • 92 GP
    • 92 GP

  8. Made a webpage about TGP's

    By 90TGP,   
    • 20 replies
    • 3.3k views
    • RedZMonte
    • RedZMonte

  9. New TPG needs a turbo... 1 2

    By perfecseal,   
    • 25 replies
    • 3.3k views
    • skalor
    • skalor

  10. My TGP finally has a new valence!!!

    By Jonpro03,   
    • 16 replies
    • 3.3k views
    • Nyshadow
    • Nyshadow

  11. Newbie

    By turbograndprix,
    • 19 replies
    • 3.3k views
    • Heartbeat1991
    • Heartbeat1991

  12. Boost guage misteriously started working :) 1 2

    By RedZMonte,   
    • 28 replies
    • 3.3k views
    • RedZMonte
    • RedZMonte

  13. TGP at Summit, IL Pick N Pull

    By ManicMechanic,   
    • 17 replies
    • 3.3k views
    • Heartbeat1991
    • Heartbeat1991

  14. Trying to decide what to do with this STE... (Long) 1 2

    By dbtk2,
    • 27 replies
    • 3.3k views
    • TurboGTU
    • TurboGTU

  15. TSTE won't stay running unless my foot is on the gas!?!?

    By dbtk2,   
    • 10 replies
    • 3.3k views
    • 1trucavalier
    • 1trucavalier

  16. TGP's have very low drag coefficients...

    By 90TGP,   
    • 6 replies
    • 3.3k views
    • Guest
    • Guest

  17. what are you guys doing for exhaust upgrades?

    By Guest TurboSedan,   
    • 21 replies
    • 3.2k views
    • 4PASNU
    • 4PASNU

  18. WTB: LG5 Exhaust Manifolds

    By TGPilot,   
    • 19 replies
    • 3.2k views
    • futuretgper
    • futuretgper

  19. Wiring garbage on TGP

    By Gibby,   
    • 6 replies
    • 3.2k views
    • NTRCOOL
    • NTRCOOL

  20. Found!!! 89 TGP in Junkyard

    By 94GPGTP,   
    • 12 replies
    • 3.2k views
    • 94GPGTP
    • 94GPGTP

  21. Big Turbo Guys Come In .

    By killinprixs,
    • 5 replies
    • 3.2k views
    • killinprixs
    • killinprixs

  22. Got a new drag run, 12.873 @107.93 mph

    By TurboZ24,   
    • 22 replies
    • 3.2k views
    • timg
    • timg

  23. Stupid Stupid People!!! 1 2

    By dkorinko,   
    • 26 replies
    • 3.2k views
    • Chris A
    • Chris A

  24. cooling fan

    By one_fast_prix,   
    • 20 replies
    • 3.2k views
    • Pontiac6KSTEAWD
    • Pontiac6KSTEAWD

  25. Rules of Conduct, Posting Practices, all members must read!

    By Jeff M,   
    • 21 replies
    • 3.2k views
    • Jeff M
    • Jeff M
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