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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. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.4k views
  2. TGP red paint code needed

    • 3 replies
    • 1.1k views
  3. Crank, but no start 1 2

    • 32 replies
    • 3.2k views
  4. Turbo Mounting Gasket?

    • 18 replies
    • 2.1k views
    • 27 replies
    • 2.9k views
  5. TCC sticking?

    • 5 replies
    • 1.1k views
  6. what is minimum boost on a TGP?

    • 4 replies
    • 1.1k views
  7. Leaky proportioning valve

    • 6 replies
    • 1.9k views
  8. Short speedo vid(no sound unfortunately) ~20-112mph 1 2

    • 30 replies
    • 3k views
  9. Where's the Vacuum canister hook up at? 1 2

    • 27 replies
    • 8k views
  10. pic request - TGP wastegate solenoid

    • 4 replies
    • 1.1k views
  11. rebuilt crossover pipe fitment problem (EDIT: my fault)

    • 17 replies
    • 1.9k views
  12. Finally got some new struts!!

    • 1 reply
    • 1.6k views
  13. boosting problem (kinda long) 1 2

    • 31 replies
    • 3.4k views
  14. need TGP oil cooler/filter adapter O-rings!

    • 5 replies
    • 908 views
  15. what's the difference - Melling 95HV oil pump and....

    • 4 replies
    • 1.1k views
  16. ALDL Scanning software

    • 6 replies
    • 2.5k views
  17. Can anyone get some pics...

    • 13 replies
    • 1.5k views
  18. TPS parts number?

    • 3 replies
    • 1k views
  19. 3bar map sensor 1 2 3 4

    • 89 replies
    • 11.5k views
  20. what are these wires for??

    • 8 replies
    • 1.6k views
  21. TGP EGR mount different?

    • 12 replies
    • 1.4k views
  22. how much $$ for valve job?

    • 20 replies
    • 4.7k views
  23. 1/4 mile page update

    • 3 replies
    • 1.1k views
  24. Grand Prix Body Kit

    • 5 replies
    • 2.3k views
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