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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. red/gray 1990 TGP in Philly salvage auction

    By ManicMechanic,   
    • 7 replies
    • 1.4k views
    • mra32
    • mra32

  2. I am back with more problems

    By shadow,   
    • 13 replies
    • 1.8k views
    • Garrett Powered
    • Garrett Powered

  3. Need some PMIII advice please.

    By Addicted2bass,   
    • 9 replies
    • 1.5k views
    • Addicted2bass
    • Addicted2bass

  4. last stuff to fix on the tgp. vids

    By stockgp,
    • 6 replies
    • 1.4k views
    • bullet
    • bullet

  5. how much is a 1990 ste worth good condition 150,000

    By turbocut,   
    • 7 replies
    • 1.4k views
    • jeremy
    • jeremy

  6. Possable Up Fitment of my 93 GP to a Turbo GP. Please help if you can.

    By GP4U2NV,
    • 5 replies
    • 1.1k views
    • GOT2B GM
    • GOT2B GM

  7. MOVED: im selling my tgp,

    By mfewtrail,   
    • 0 replies
    • 930 views
    • mfewtrail
    • mfewtrail

  8. where to get chip for ste and other performance parts

    By turbocut,   
    • 3 replies
    • 1.2k views
    • mfewtrail
    • mfewtrail

  9. Newbie with questions(long post)

    By chasin_shadowz,
    • 19 replies
    • 1.9k views
    • bullet
    • bullet

  10. Hi, new TGP owner!

    By 92SunbirdTGT,
    • 10 replies
    • 1.7k views
    • 92SunbirdTGT
    • 92SunbirdTGT

  11. bad blowoff valve?

    By patgizz,   
    • 16 replies
    • 2.6k views
    • 90TGP
    • 90TGP

  12. Any added a turbo blowoff valve? 1 2

    By shadow,   
    • 42 replies
    • 4.6k views
    • bullet
    • bullet

  13. 3400 SFI parts for TGP

    By bullet,   
    • 10 replies
    • 1.9k views
    • bullet
    • bullet

  14. Wanted TGP/TSTE Chip!

    By Shifter23,   
    • 4 replies
    • 1.1k views
    • Shifter23
    • Shifter23

  15. clunk into reverse gone, but now not dropping into any gear

    By Psych0matt,   
    • 15 replies
    • 1.9k views
    • TurboGTU
    • TurboGTU

  16. vote for my TGP?

    By patgizz,   
    • 13 replies
    • 1.2k views
    • patgizz
    • patgizz

  17. About fuel system...

    By SSEiyah93,   
    • 2 replies
    • 1.1k views
    • Dark Ride
    • Dark Ride

  18. OIL LEAK!

    By SSEiyah93,   
    • 2 replies
    • 1k views
    • SSEiyah93
    • SSEiyah93

  19. MOVED: Buzzing in speakers???

    By GP1138,   
    • 0 replies
    • 1.1k views
    • GP1138
    • GP1138

  20. TGP's doing 180's 1 2

    By TGP5sp90,   
    • 31 replies
    • 3.4k views
    • SSEiyah93
    • SSEiyah93

  21. vacuum leak causing hesitant shifting?

    By Psych0matt,   
    • 14 replies
    • 6.9k views
    • Psych0matt
    • Psych0matt

  22. Premium gas?

    By Addicted2bass,   
    • 16 replies
    • 2.8k views
    • jeremy
    • jeremy

  23. blue dash mat

    By crazydriver20,   
    • 9 replies
    • 1.4k views
    • jeremy
    • jeremy

  24. K&N cone filter for a TGP

    By shadow,   
    • 6 replies
    • 1.4k views
    • shadow
    • shadow

  25. 4T65E swap

    By bullet,   
    • 16 replies
    • 3.3k views
    • bullet
    • bullet
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