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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. Watch out JUD im comming to get you... 100 MPH trap speed 1 2

    By kuntzie,
    • 42 replies
    • 4k views
    • Nick1234
    • Nick1234

  2. Any added a turbo blowoff valve? 1 2

    By shadow,   
    • 42 replies
    • 4.6k views
    • bullet
    • bullet

  3. Storing My TGP 1 2

    By Addicted To Boost,   
    • 42 replies
    • 7.1k views
    • TGP Z-34 STE
    • TGP Z-34 STE

  4. Ok, lets start the count....GM Goodwrench trans failure #1.. 1 2

    By dbtk2,   
    • 41 replies
    • 4.7k views
    • Jeff M
    • Jeff M

  5. and then there were two 1 2

    By patgizz,   
    • 41 replies
    • 3.9k views
    • Pontiac6KSTEAWD
    • Pontiac6KSTEAWD

  6. TGP progress thread 1 2

    By Psych0matt,
    • 41 replies
    • 4k views
    • AWeb80
    • AWeb80

  7. `89 TGP joining the collection 1 2

    By rich_e777,
    • 41 replies
    • 13k views
    • rich_e777
    • rich_e777

  8. Found bellows for crossover pipe!!! 1 2

    By tgpguy21,
    • 40 replies
    • 4.8k views
    • Dark Ride
    • Dark Ride

  9. stock 3.1 vs destroked down to 2.8 1 2

    By gp90se,   
    • 40 replies
    • 5.5k views
    • DaveFromColorado
    • DaveFromColorado

  10. How many TGPs are left?? 1 2

    By samiamryan,
    • 40 replies
    • 5k views
    • LukeZ34
    • LukeZ34

  11. New T25 installed 1 2

    By GOT2B GM,   
    • 40 replies
    • 4.5k views
    • Garrett Powered
    • Garrett Powered

  12. I made A-PILLAR duel gauge pod.. 1 2

    By SmokinTGP,   
    • 39 replies
    • 4.1k views
    • TGPilot
    • TGPilot

  13. 5 speed TGP video 1 2

    By skalor,   
    • 39 replies
    • 3.8k views
    • Aaron
    • Aaron

  14. TGP acting strange (fixed!) 1 2

    By LukeZ34,   
    • 39 replies
    • 5.2k views
    • SleeperRed90TGp
    • SleeperRed90TGp

  15. PARTING OUT 90 TGP LMK WHAT YOU NEED 1 2

    By norcalstang,   
    • 39 replies
    • 4.7k views
    • Jeff M
    • Jeff M

  16. turbo Q....quick one! 1 2

    By futuretgper,   
    • 39 replies
    • 4.1k views
    • joberlee
    • joberlee

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

    By Scottster,   
    • 39 replies
    • 4.9k views
    • mfewtrail
    • mfewtrail

  18. Onto the Next subject 1 2

    By redgrandprix,   
    • 39 replies
    • 7k views
    • Garrett Powered
    • Garrett Powered

  19. wastegate problems? 1 2

    By redgrandprix,   
    • 39 replies
    • 6.9k views
    • redgrandprix
    • redgrandprix

  20. Well, This sucks . .. 1 2

    By Heartbeat1991,   
    • 39 replies
    • 8.1k views
    • pshojo
    • pshojo

  21. Who has the fastest TGP??? 1 2

    By dkorinko,   
    • 38 replies
    • 5.6k views
    • dkorinko
    • dkorinko

  22. MUST READ on turbos/engine strokes/hp vs torque/turbo cam++ 1 2

    By Jeff M,   
    • 38 replies
    • 3.5k views
    • Jcrow
    • Jcrow

  23. when does your turbo sound kick in 1 2

    By john99gtp,   
    • 38 replies
    • 3.6k views
    • Garrett Powered
    • Garrett Powered

  24. few problems 1 2

    By mindgame,   
    • 38 replies
    • 3.7k views
    • Garrett Powered
    • Garrett Powered

  25. Digging into my TGP a bit 1 2

    By GOT2B GM,   
    • 38 replies
    • 3.4k views
    • AWeb80
    • AWeb80
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