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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. Fuel Injectors

    By Nyshadow,   
    • 17 replies
    • 5.4k views
    • White93z34
    • White93z34

  2. stock 3.1 vs destroked down to 2.8 1 2

    By gp90se,   
    • 40 replies
    • 5.4k views
    • DaveFromColorado
    • DaveFromColorado

  3. A little intro of my TGP 1 2

    By EMNCFI,   
    • 25 replies
    • 5.4k views
    • EMNCFI
    • EMNCFI

  4. Another red 90 TGP

    By negativeMatt,
    • 16 replies
    • 5.3k views
    • negativeMatt
    • negativeMatt

  5. just saved this 90 mclaren gp from a field in va 1 2

    By jffocused,   
    • 28 replies
    • 5.3k views
    • jffocused
    • jffocused

  6. Looking for Jeff M 1 2

    By ACTdryice,   
    • 26 replies
    • 5.2k views
    • White93z34
    • White93z34

  7. Turbo Grand Prix in Germany (Ebay)

    By HEMI-V8,   
    • 15 replies
    • 5.2k views
    • HEMI-V8
    • HEMI-V8

  8. 94 (or so) 5 spokes on a tgp? 1 2 3

    By Psych0matt,   
    • 54 replies
    • 5.1k views
    • ManicMechanic
    • ManicMechanic

  9. lets get started on our A pillar glassin!!! 1 2

    By garyk1970,   
    • 44 replies
    • 5.1k views
    • z284pwr
    • z284pwr

  10. Just bought a 90 GPT McLaren, have one question 1 2

    By carsofchaos,   
    • 27 replies
    • 5.1k views
    • carsofchaos
    • carsofchaos

  11. IAC unplugged no idle change

    By god910,
    • 22 replies
    • 5k views
    • Jeff M
    • Jeff M

  12. Max boost level

    By Guest,   
    • 22 replies
    • 5k views
    • Jeff M
    • Jeff M

  13. TGP acting strange (fixed!) 1 2

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

  14. Picked up a 90 tgp 1 2

    By 90v65speed,   
    • 26 replies
    • 5k views
    • 90v65speed
    • 90v65speed

  15. need help diagnosing PMIII problems 1 2 3

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

  16. car is running like crap *FIXED* 1 2

    By Guest TurboSedan,   
    • 35 replies
    • 5k views
    • Guest
    • Guest

  17. TGP Driveability Issues 1 2 3

    By Addicted To Boost,
    • 50 replies
    • 5k views
    • Addicted To Boost
    • Addicted To Boost

  18. Symptoms of a bad turbo

    By digitaloutsider,   
    • 12 replies
    • 4.9k views
    • Garrett Powered
    • Garrett Powered

  19. PARTING OUT COMPLETE 1990 MCLAREN TURBO GRAND PRIX! READ!!!! 1 2

    By Jinxed,   
    • 27 replies
    • 4.8k views
    • brian89gp
    • brian89gp

  20. TGP nominated one of the best Turbo cars of the 80's... 1 2

    By Scottster,   
    • 39 replies
    • 4.8k views
    • mfewtrail
    • mfewtrail

  21. How many TGPs are left?? 1 2

    By samiamryan,
    • 40 replies
    • 4.8k views
    • LukeZ34
    • LukeZ34

  22. how much $$ for valve job?

    By Guest TurboSedan,   
    • 20 replies
    • 4.7k views
    • Brian P
    • Brian P

  23. Could blown headgasket seem like misfires under load???

    By dbtk2,
    • 11 replies
    • 4.7k views
    • dbtk2
    • dbtk2

  24. Oil Filter Splash Shield (Drip Pan) Thingamabob

    By SleeperRed90TGp,   
    • 4 replies
    • 4.7k views
    • urbex
    • urbex

  25. Oil coming out of the breather

    By 94GPGTP,   
    • 7 replies
    • 4.7k views
    • GOT2B GM
    • GOT2B GM
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