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Turbo Grand Prix

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

2,050 topics in this forum

  1. unplug the comp for better launch?

    By qmtgp,   
    • 11 replies
    • 1.7k views
    • qmtgp
    • qmtgp

  2. pulling my Turbo STE engine

    By Guest TurboSedan,   
    • 9 replies
    • 1.5k views
    • z284pwr
    • z284pwr

  3. Nice TGP for sale on ebay. 90 144K Red/tan loc: GA

    By lakefxgp96,   
    • 2 replies
    • 1k views
    • Rick5638
    • Rick5638

  4. pulling timing? my boost controller? both? help!

    By Guest TurboSedan,
    • 16 replies
    • 1.9k views
    • iTurbo
    • iTurbo

  5. starting problem

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

  6. Boost at altitude

    By longislandjim,   
    • 11 replies
    • 2.2k views
    • longislandjim
    • longislandjim

  7. 3.1 Turbo Smoking like crazy ***Retarded DIS plug*** 1 2 3 4 6

    By Prospeeder,   
    • 148 replies
    • 13k views
    • Prospeeder
    • Prospeeder

  8. Looking to buy a GPT

    By samiamryan,   
    • 20 replies
    • 2.1k views
    • mfewtrail
    • mfewtrail

  9. badge value? or is it possible to restore them?

    By Prospeeder,   
    • 11 replies
    • 1.3k views
    • Jeff M
    • Jeff M

  10. new TGP production #s thread (was other ASC/McLaren cars) 1 2

    By Guest TurboSedan,   
    • 48 replies
    • 8.2k views
    • mfewtrail
    • mfewtrail

  11. hit a deer doing 60... 1 2

    By futuretgper,   
    • 42 replies
    • 4.6k views
    • futuretgper
    • futuretgper

  12. ///

    By Invasion1,
    • 8 replies
    • 1.2k views
    • mfewtrail
    • mfewtrail

  13. thinking of selling the tgp.

    By qmtgp,   
    • 23 replies
    • 2.4k views
    • qmtgp
    • qmtgp

  14. need help diagnosing PMIII problems 1 2 3

    By Guest TurboSedan,
    • 67 replies
    • 5k views
    • Bossman429
    • Bossman429

  15. Bypassing the Turbo?

    By Darkness,   
    • 5 replies
    • 1.1k views
    • 1990lumina
    • 1990lumina

  16. Grand Prix Turbo Parts

    By ladytinny,   
    • 6 replies
    • 1.4k views
    • Guest
    • Guest

  17. Option Codes Help Needed

    By Jeff M,   
    • 21 replies
    • 2.9k views
    • Bossman429
    • Bossman429

  18. TGP acting strange (fixed!) 1 2

    By LukeZ34,   
    • 39 replies
    • 5k views
    • SleeperRed90TGp
    • SleeperRed90TGp

  19. Identification numbers

    By Ram_Air_GP/TGP,   
    • 2 replies
    • 949 views
    • jeremy
    • jeremy

  20. exhaust manifold pic?

    By IBuiltMine-o1oo,   
    • 6 replies
    • 1.1k views
    • joberlee
    • joberlee

  21. TURBO KIT UP ON EBAY

    By niel,   
    • 8 replies
    • 1.4k views
    • niel
    • niel

  22. what are you guys doing for exhaust upgrades?

    By Guest TurboSedan,   
    • 21 replies
    • 3k views
    • 4PASNU
    • 4PASNU

  23. i really need this part... 1 2

    By Guest TurboSedan,   
    • 32 replies
    • 3.2k views
    • sl3196
    • sl3196

  24. O.K. ...........last part needed. Upper rad mounting rail

    By SuperchargedFiero,   
    • 0 replies
    • 882 views
    • SuperchargedFiero
    • SuperchargedFiero

  25. Difference between 89 and 90

    By john99gtp,   
    • 6 replies
    • 1.1k views
    • Jeff M
    • Jeff M
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