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Turbo Grand Prix

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


2,047 topics in this forum

  1. Jud's 3400 top end swap discussion

    • 14 replies
    • 1.7k views
  2. blow off valve

    • 8 replies
    • 1k views
    • 2 replies
    • 794 views
  3. Need some help on Id of 4t60 Tranny

    • 13 replies
    • 1.5k views
  4. Extensive test of Accelerometers

    • 6 replies
    • 1k views
  5. Top-end

    • 13 replies
    • 1.3k views
  6. Entire TGP motor rebuilt 80k

    • 3 replies
    • 801 views
  7. LG5 shortblock rebuild prices (machine work only)

    • 6 replies
    • 862 views
  8. tgp meet

    • 4 replies
    • 1.2k views
  9. Running 15psi on stock turbo?

    • 5 replies
    • 937 views
  10. TGP/TSTE Radiator 4 Sale eBay till 4/05-St Louis MO Area

    • 2 replies
    • 799 views
  11. Full vacumm line diagram?

    • 6 replies
    • 964 views
  12. Spearco Core I/C upgrade

    • 9 replies
    • 1k views
  13. tranny

    • 8 replies
    • 1.1k views
  14. Cleaning the turbo

    • 2 replies
    • 794 views
  15. looking to gauge cluster

    • 2 replies
    • 970 views
  16. pics of my 5-speed turbo support bracket

    • 3 replies
    • 932 views
  17. hey turbo guys, can you ID this ?

    • 14 replies
    • 2.4k views
  18. Computer chip for a 3.1L turbo

    • 16 replies
    • 1.9k views
  19. Need Wiring Diagram of Electrical !! FIXED !!

    • 18 replies
    • 1.8k views
  20. turbo GP badges

    • 8 replies
    • 1.2k views
  21. Tell Me What U Think... 89 Turbo Grand Prix 1 2 3

    • 62 replies
    • 7.6k views
  22. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.3k views
  23. TGP red paint code needed

    • 3 replies
    • 935 views
  24. Crank, but no start 1 2

    • 32 replies
    • 2.8k views
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