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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. What kind of spark plug to put in TGP???

    By dbtk2,   
    • 17 replies
    • 2k views
    • dbtk2
    • dbtk2

  2. Custom crossover and rear mani

    By J,   
    • 17 replies
    • 2k views
    • J
    • J

  3. Bigger And Better Brakes

    By Dark Ride,   
    • 8 replies
    • 2k views
    • Dark Ride
    • Dark Ride

  4. IC questions

    By brian89gp,   
    • 14 replies
    • 2k views
    • TGPilot
    • TGPilot

  5. Question - my car is smoking

    By bodyman,   
    • 12 replies
    • 2k views
    • Prospeeder
    • Prospeeder

  6. clunk into reverse gone, but now not dropping into any gear

    By Psych0matt,   
    • 15 replies
    • 2k views
    • TurboGTU
    • TurboGTU

  7. Body Cladding Steel Clips

    By Heartbeat1991,   
    • 4 replies
    • 2k views
    • Heartbeat1991
    • Heartbeat1991

  8. TGP guys.....something of interest

    By SuperBuick,   
    • 6 replies
    • 2k views
    • 1trucavalier
    • 1trucavalier

  9. TGP SWAP ... Looks like a Bad Turbo Oil Seal .....

    By Gearhead43,   
    • 16 replies
    • 2k views
    • Gearhead43
    • Gearhead43

  10. what should i do

    By johngs,   
    • 16 replies
    • 2k views
    • Gearhead43
    • Gearhead43

  11. Info about the stock TGP spark table...

    By TurboZ24,   
    • 10 replies
    • 2k views
    • TurboZ24
    • TurboZ24

  12. 1989 Turbo GP Service Supplement on ebay. 2-12-06 ****SOLD

    By 90_Black_TGP,   
    • 14 replies
    • 2k views
    • Jeff M
    • Jeff M

  13. Custom TGP exhaust - the beginnings

    By GOT2B GM,   
    • 14 replies
    • 2k views
    • GOT2B GM
    • GOT2B GM

  14. Anyone have any up-close pictures of the vacuum clip at the throttle body

    By slick,   
    • 14 replies
    • 2k views
    • slick
    • slick

  15. I got a baffeling fuel problem ??

    By Adam S.,   
    • 17 replies
    • 2k views
    • Jeff M
    • Jeff M

  16. Need Advice...What datalogger for my TSTE & TGP?

    By TGPilot,   
    • 13 replies
    • 2k views
    • TurboGTU
    • TurboGTU

  17. Found the previous owner of my car.

    By redgrandprix,   
    • 6 replies
    • 2k views
    • redgrandprix
    • redgrandprix

  18. Does anybody know the stock TGP cam specs?

    By dbtk2,   
    • 15 replies
    • 2k views
    • Robby1870
    • Robby1870

  19. Crashed the car today

    By SantaCruzTGP,   
    • 10 replies
    • 2k views
    • gp90se
    • gp90se

  20. would these work?

    By redgrandprix,
    • 11 replies
    • 2k views
    • Garrett Powered
    • Garrett Powered

  21. TGP/TSTE Articles, Memorabilia, Manuals List/Long

    By Jeff M,
    • 18 replies
    • 2k views
    • Jeff M
    • Jeff M

  22. is this 89 worth it??

    By dale32,   
    • 13 replies
    • 2k views
    • dkorinko
    • dkorinko

  23. knock sensor upgrade?

    By gp90se,   
    • 8 replies
    • 2k views
    • Garrett Powered
    • Garrett Powered

  24. downpipe flange

    By Garrett Powered,   
    • 6 replies
    • 2k views
    • GhrarhG
    • GhrarhG

  25. PM III problems - accumulator or pressure switch?

    By GnatGoSplat,   
    • 5 replies
    • 2k views
    • GnatGoSplat
    • GnatGoSplat
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