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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. Turbo Mounting Gasket?

    By joberlee,   
    • 18 replies
    • 2k views
    • Guest
    • Guest

  2. Trying to decide what to do with this STE... (Long) 1 2

    By dbtk2,
    • 27 replies
    • 2.8k views
    • TurboGTU
    • TurboGTU

  3. TCC sticking?

    By god910,   
    • 5 replies
    • 1k views
    • god910
    • god910

  4. what is minimum boost on a TGP?

    By Guest TurboSedan,   
    • 4 replies
    • 1k views
    • Jcrow
    • Jcrow

  5. Leaky proportioning valve

    By mfs_turbo,   
    • 6 replies
    • 1.9k views
    • RareGMFan
    • RareGMFan

  6. Short speedo vid(no sound unfortunately) ~20-112mph 1 2

    By mfewtrail,   
    • 30 replies
    • 2.9k views
    • Jeorge
    • Jeorge

  7. Where's the Vacuum canister hook up at? 1 2

    By Bossman429,   
    • 27 replies
    • 7.8k views
    • GutlessSupreme
    • GutlessSupreme

  8. pic request - TGP wastegate solenoid

    By Guest TurboSedan,   
    • 4 replies
    • 1k views
    • GutlessSupreme
    • GutlessSupreme

  9. rebuilt crossover pipe fitment problem (EDIT: my fault)

    By Guest TurboSedan,   
    • 17 replies
    • 1.7k views
    • Guest
    • Guest

  10. Finally got some new struts!!

    By skalor,   
    • 1 reply
    • 1.6k views
    • Jeff M
    • Jeff M

  11. boosting problem (kinda long) 1 2

    By no1kicker,   
    • 31 replies
    • 3.3k views
    • TGPilot
    • TGPilot

  12. need TGP oil cooler/filter adapter O-rings!

    By Guest TurboSedan,   
    • 5 replies
    • 862 views
    • Guest
    • Guest

  13. what's the difference - Melling 95HV oil pump and....

    By Guest TurboSedan,   
    • 4 replies
    • 997 views
    • maddux31
    • maddux31

  14. ALDL Scanning software

    By LukeZ34,
    • 6 replies
    • 2.4k views
    • tloftus
    • tloftus

  15. Can anyone get some pics...

    By GutlessSupreme,   
    • 13 replies
    • 1.4k views
    • slick
    • slick

  16. TPS parts number?

    By 90TGP,   
    • 3 replies
    • 948 views
    • Jeff M
    • Jeff M

  17. 3bar map sensor 1 2 3 4

    By futuretgper,   
    • 89 replies
    • 11.1k views
    • joberlee
    • joberlee

  18. what are these wires for??

    By Guest TurboSedan,   
    • 8 replies
    • 1.5k views
    • Guest
    • Guest

  19. TGP EGR mount different?

    By Jcrow,   
    • 12 replies
    • 1.3k views
    • Jeff M
    • Jeff M

  20. how much $$ for valve job?

    By Guest TurboSedan,   
    • 20 replies
    • 4.6k views
    • Brian P
    • Brian P

  21. 1/4 mile page update

    By mfewtrail,   
    • 3 replies
    • 1k views
    • 90TGP
    • 90TGP

  22. Grand Prix Body Kit

    By samiamryan,   
    • 5 replies
    • 2.2k views
    • Jeff M
    • Jeff M

  23. need pics/description of turbo coolant supply line...

    By Guest TurboSedan,   
    • 1 reply
    • 1.1k views
    • Guest
    • Guest

  24. working on the Part Numbers page

    By Jeorge,   
    • 2 replies
    • 978 views
    • Jeorge
    • Jeorge

  25. Check out this turbo on ebay

    By 90TGP,   
    • 4 replies
    • 1.1k views
    • Jeff M
    • Jeff M
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