Powertrain

10,728 topics in this forum

1. 93 EURO 3.4 d.o.h.c rare?

   By Superchargedgtp454, October 4, 2019
   • 3 replies
   • 1.1k views
   • 
   • Schurkey
   • October 4, 2019

2. 88' Grand Prix cooling fan upgrade

   By Vince G., September 15, 2019   

   • 2.8
   • 1 reply
   • 824 views
   • 
   • Schurkey
   • September 15, 2019

3. 3100/3400 Rear valve cover to intake tube fix HOW-TO

   By rich_e777, June 27, 2015   

   • body
   • engine
   • (and 7 more)

     Tagged with:

     • body
     • engine
     • front
     • inch
     • intake
     • lip
     • questions
     • rear
     • repair
   • 9 replies
   • 18.8k views
   • 
   • cklitz1
   • September 14, 2019

4. Engine Support bar mounting locations

   By rich_e777, September 1, 2019
   • 4 replies
   • 1.3k views
   • 
   • Cutlass350
   • September 5, 2019

5. URGENT - 1993 Grand Prix suddenly pouring out coolant.

   By GrandPrixMaster, August 14, 2019
   • 4 replies
   • 945 views
   • 
   • mfewtrail
   • August 15, 2019

6. 4T60E Shifting Issue: 95 Cutlass Supreme 1 2

   By MemphisMan, July 20, 2018
   • 28 replies
   • 5.7k views
   • 
   • MemphisMan
   • August 9, 2019

7. Transmission Cooler Temperature 1 2

   By xtremerevolution, October 14, 2009   

   • big
   • engine
   • (and 8 more)

     Tagged with:

     • big
     • engine
     • fan
     • gs
     • gtp
     • hd
     • question
     • stock
     • switch
     • transmission
   • 34 replies
   • 12.6k views
   • 
   • Schurkey
   • August 6, 2019

8. Intermittent Won't Start When Hot Problem

   By kcac, July 4, 2019   

   • 3.4
   • dohc
   • (and 3 more)

     Tagged with:

     • 3.4
     • dohc
     • 1995
     • start
     • hot
   • 12 replies
   • 1.6k views
   • 
   • jiggity76
   • August 3, 2019

9. Shift Kit Question

   By Buick_Guy, June 30, 2019
   • 8 replies
   • 10.5k views
   • 
   • Leadfoot
   • July 10, 2019

10. Correct Vacuum reading

    By narnone, July 3, 2019
    • 6 replies
    • 1.4k views
    • 
    • narnone
    • July 7, 2019

11. L67 Swap PCM issue

    By Quaraxkad, June 2, 2019
    • 14 replies
    • 7.2k views
    • 
    • carkhz316
    • June 24, 2019

12. damned lifters

    By Chris2020, May 18, 2019
    • 4 replies
    • 1.5k views
    • 
    • Schurkey
    • May 21, 2019

13. 1993 Grand Prix cold engine tapping sound

    By GrandPrixMaster, May 13, 2019   

    • 3.1l
    • 6 replies
    • 2.1k views
    • 
    • 55trucker
    • May 14, 2019

14. Is there a trick?

    By jiggity76, April 24, 2019
    • 4 replies
    • 1.9k views
    • 
    • jiggity76
    • April 28, 2019

15. 91 CS International LQ1 front exhaust manifold removal.

    By jiggity76, April 17, 2019
    • 1 reply
    • 2.2k views
    • 
    • jiggity76
    • April 17, 2019

16. Where to find proper HEAD BOLTS for 3.1 liter

    By killinprixs, April 10, 2019
    • 2 replies
    • 1.3k views
    • 
    • killinprixs
    • April 11, 2019

17. Unusual Knock from my Cutlass

    By Pmads77, September 4, 2017
    • 16 replies
    • 3.5k views
    • 
    • 92InternationalCoupe
    • March 31, 2019

18. Fast idle 3.4 DOHC

    By James Robert, January 14, 2019
    • 7 replies
    • 2.1k views
    • 
    • 92InternationalCoupe
    • March 31, 2019

19. Hole in valve cover?

    By UltimateDuster, January 31, 2019
    • 9 replies
    • 2.9k views
    • 
    • UltimateDuster
    • February 1, 2019

20. Thoughts about putting cryo treated hard parts in a 4t65e from a GP GXP

    By DavidT1989, December 21, 2018
    • 7 replies
    • 1.7k views
    • 
    • redgrandprix
    • January 25, 2019

21. 3.6 LFX Oil Catch Can installation

    By DiscoStudd, November 25, 2018
    • 10 replies
    • 5k views
    • 
    • redgrandprix
    • January 25, 2019

22. Fuel leak at fuel line/fuel rail connection on 3800

    By Leadfoot, January 23, 2019
    • 5 replies
    • 3.4k views
    • 
    • ron350
    • January 24, 2019

23. Recommended water pump?

    By Brodizzle83, January 19, 2019
    • 2 replies
    • 1.4k views
    • 
    • mfewtrail
    • January 19, 2019

24. Oil change intervals, what do you guys suggest?

    By jiggity76, January 11, 2019
    • 7 replies
    • 1.7k views
    • 
    • pitzel
    • January 11, 2019

25. OBD 1.5 confusion

    By RareCoinsGuy, January 3, 2019
    • 4 replies
    • 1.4k views
    • 
    • Imp558
    • January 7, 2019