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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. pics of my 5-speed turbo support bracket

    • 3 replies
    • 1.1k views
  2. hey turbo guys, can you ID this ?

    • 14 replies
    • 2.7k views
  3. Spearco Core I/C upgrade

    • 9 replies
    • 1.2k views
  4. Computer chip for a 3.1L turbo

    • 16 replies
    • 2.1k views
  5. Need Wiring Diagram of Electrical !! FIXED !!

    • 18 replies
    • 2k views
  6. turbo GP badges

    • 8 replies
    • 1.4k views
  7. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.5k views
  8. TGP red paint code needed

    • 3 replies
    • 1.1k views
  9. Full vacumm line diagram?

    • 6 replies
    • 1.2k views
  10. what is minimum boost on a TGP?

    • 4 replies
    • 1.2k views
    • 27 replies
    • 3k views
  11. Crank, but no start 1 2

    • 32 replies
    • 3.3k views
  12. TCC sticking?

    • 5 replies
    • 1.1k views
  13. pic request - TGP wastegate solenoid

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

    • 6 replies
    • 2k views
  15. looking to gauge cluster

    • 2 replies
    • 1.1k views
  16. Finally got some new struts!!

    • 1 reply
    • 1.7k views
  17. Tell Me What U Think... 89 Turbo Grand Prix 1 2 3

    • 62 replies
    • 8.6k views
  18. need TGP oil cooler/filter adapter O-rings!

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

    • 4 replies
    • 1.1k views
  20. boosting problem (kinda long) 1 2

    • 31 replies
    • 3.6k views
  21. Can anyone get some pics...

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

    • 3 replies
    • 1.1k views
  23. ABS Accumulator Group Buy?

    • 19 replies
    • 2.7k views
  24. what are these wires for??

    • 8 replies
    • 1.7k views
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