Powertrain

10,696 topics in this forum

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

   By Superchargedgtp454, October 4, 2019
   • 3 replies
   • 944 views
   • 
   • Schurkey
   • October 4, 2019

2. 3.1 MPFI LH0 constant knock or tapping sound

   By 9705, September 16, 2019   

   • lh0
   • mpfi
   • (and 6 more)

     Tagged with:

     • lh0
     • mpfi
     • ticking
     • tapping
     • knocking
     • 3.1 l
     • 3.1
     • lumina
   • 14 replies
   • 6.4k views
   • 
   • 90LuminaEuro
   • July 26, 2020

3. 88' Grand Prix cooling fan upgrade

   By Vince G., September 15, 2019   

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

4. Engine Support bar mounting locations

   By rich_e777, September 1, 2019
   • 4 replies
   • 1.1k views
   • 
   • Cutlass350
   • September 5, 2019

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

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

6. 1994 Cutlass Ciera 3.1L 84k miles

   By Beau, August 9, 2019
   • 23 replies
   • 10.9k views
   • 
   • Beau
   • May 8, 2020

7. 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
   • 1.3k views
   • 
   • jiggity76
   • August 3, 2019

8. Correct Vacuum reading

   By narnone, July 3, 2019
   • 6 replies
   • 1.2k views
   • 
   • narnone
   • July 7, 2019

9. Shift Kit Question

   By Buick_Guy, June 30, 2019
   • 8 replies
   • 10.1k views
   • 
   • Leadfoot
   • July 10, 2019

10. L67 Swap PCM issue

    By Quaraxkad, June 2, 2019
    • 14 replies
    • 6.2k views
    • 
    • carkhz316
    • June 24, 2019

11. damned lifters

    By Chris2020, May 18, 2019
    • 4 replies
    • 1.1k views
    • 
    • Schurkey
    • May 21, 2019

12. 1993 Grand Prix cold engine tapping sound

    By GrandPrixMaster, May 13, 2019   

    • 3.1l
    • 6 replies
    • 1.4k views
    • 
    • 55trucker
    • May 14, 2019

13. Is there a trick?

    By jiggity76, April 24, 2019
    • 4 replies
    • 1.7k views
    • 
    • jiggity76
    • April 28, 2019

14. 91 CS International LQ1 front exhaust manifold removal.

    By jiggity76, April 17, 2019
    • 1 reply
    • 2.1k views
    • 
    • jiggity76
    • April 17, 2019

15. Where to find proper HEAD BOLTS for 3.1 liter

    By killinprixs, April 10, 2019
    • 2 replies
    • 1k views
    • 
    • killinprixs
    • April 11, 2019

16. Hole in valve cover?

    By UltimateDuster, January 31, 2019
    • 9 replies
    • 1.8k views
    • 
    • UltimateDuster
    • February 1, 2019

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

    By Leadfoot, January 23, 2019
    • 5 replies
    • 1.8k views
    • 
    • ron350
    • January 24, 2019

18. Recommended water pump?

    By Brodizzle83, January 19, 2019
    • 2 replies
    • 1.1k views
    • 
    • mfewtrail
    • January 19, 2019

19. Fast idle 3.4 DOHC

    By James Robert, January 14, 2019
    • 7 replies
    • 1.8k views
    • 
    • 92InternationalCoupe
    • March 31, 2019

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

    By jiggity76, January 11, 2019
    • 7 replies
    • 1.4k views
    • 
    • pitzel
    • January 11, 2019

21. OBD 1.5 confusion

    By RareCoinsGuy, January 3, 2019
    • 4 replies
    • 1.2k views
    • 
    • Imp558
    • January 7, 2019

22. Getrag 284 & axleshaft replacement.

    By Z34Luminasty, December 23, 2018
    • 9 replies
    • 1.5k views
    • 
    • Z34Luminasty
    • December 26, 2018

23. Boosting a 03 century with a lg8

    By K98311, December 21, 2018
    • 3 replies
    • 1.1k views
    • 
    • Imp558
    • December 21, 2018

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

    By DavidT1989, December 21, 2018
    • 7 replies
    • 1.5k views
    • 
    • redgrandprix
    • January 25, 2019

25. W-34 1 2

    By James Robert, December 15, 2018
    • 25 replies
    • 3.1k views
    • 
    • jiggity76
    • December 19, 2018