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Turbo Grand Prix

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


2,049 topics in this forum

  1. TGP Code 41

    • 4 replies
    • 1.8k views
  2. Custom crossover and rear mani

    • 17 replies
    • 1.8k views
  3. stock 3.1 n/a injectors

    • 9 replies
    • 1.8k views
  4. $%^$# Transmission!!!

    • 8 replies
    • 1.8k views
  5. TGP engine swap

    • 17 replies
    • 1.8k views
  6. Crank position sensor

    • 5 replies
    • 1.8k views
  7. TGP SWAP ... Looks like a Bad Turbo Oil Seal .....

    • 16 replies
    • 1.8k views
  8. Power Antenna

    • 12 replies
    • 1.8k views
  9. a question for mr M. ....Jeff M. that is

    • 15 replies
    • 1.8k views
  10. would these work?

    • 11 replies
    • 1.7k views
  11. Replacement air filter?? K&N

    • 7 replies
    • 1.7k views
  12. 1989 Turbo GP Service Supplement on ebay. 2-12-06 ****SOLD

    • 14 replies
    • 1.7k views
  13. New injectors.....cold start issue.

    • 3 replies
    • 1.7k views
  14. Crossover install done.

    • 12 replies
    • 1.7k views
  15. I got a baffeling fuel problem ??

    • 17 replies
    • 1.7k views
  16. TGP guys.....something of interest

    • 6 replies
    • 1.7k views
  17. Overheating question???

    • 6 replies
    • 1.7k views
  18. MOVED: WTB: 3.1 turbo plenum

    • 0 replies
    • 1.7k views
  19. Post your VIN + build date.

    • 4 replies
    • 1.7k views
  20. .................

    • 9 replies
    • 1.7k views
  21. oil cooler

    • 1 reply
    • 1.7k views
  22. 89 to 91 HUD

    • 13 replies
    • 1.7k views
  23. Found the previous owner of my car.

    • 6 replies
    • 1.7k views
  24. Rebuilding the LG5

    • 8 replies
    • 1.7k views
  25. Swapping a 89 Tgp turbo engine into a 90 grand prix

    • 3 replies
    • 1.7k views
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