Page 1 of 2 12 LastLast
Threads 1 to 20 of 25

Forum: Duramax 6600

Welcome to the Internet's first Duramax 6600 diesel discussion forum for the LB7, LLY, LBZ, LMM, LML, LGH & L5P RPO code engines. Tips on performance, fuel economy, troubleshooting and more.

  1. Sticky Thread Sticky: High Miles contest!

    Started by More Power, 11-29-2005 07:23
    6 Pages
    1 2 3 ... 6
    • Replies: 107
    • Views: 142,245
    02-29-2024, 13:38 Go to last post
  2. Sticky Thread Sticky: LBZ Fuel Mileage

    Started by Dannyboy, 03-10-2006 15:46
    9 Pages
    1 2 3 ... 9
    • Replies: 168
    • Views: 209,755
    12-30-2023, 15:22 Go to last post
    • Replies: 5
    • Views: 34,062
    06-03-2022, 09:59 Go to last post
  3. Sticky Thread Sticky: Dexcool vs. other coolants

    Started by TomJ01, 12-01-2010 16:01
    • Replies: 13
    • Views: 85,567
    10-28-2020, 13:47 Go to last post
  4. Sticky Thread Sticky: Additional fuel filtration / injector replacement poll

    Started by Mark Rinker, 08-16-2008 09:10
    2 Pages
    1 2
    • Replies: 29
    • Views: 49,752
    10-04-2020, 03:07 Go to last post
  5. Sticky Thread Sticky: Gasoline in my 6.6 Duramax

    Started by Javy, 06-01-2006 18:36
    2 Pages
    1 2
    • Replies: 32
    • Views: 94,085
    05-21-2020, 11:15 Go to last post
  6. Poll Sticky Thread Sticky: Poll: 2004.5+ LLY Duramax Fuel Economy Poll

    Started by More Power, 12-31-2004 14:27
    6 Pages
    1 2 3 ... 6
    • Replies: 117
    • Views: 145,557
    10-29-2018, 12:13 Go to last post
  7. Sticky Thread Sticky: P0087 fuel rail pressure low limp under high loads

    Started by Mark Rinker, 08-14-2009 20:26
    12 Pages
    1 2 3 ... 12
    • Replies: 223
    • Views: 347,649
    03-18-2018, 04:55 Go to last post
  8. Sticky Thread Sticky: 2001 LB7 fuel system/limp mode problem SOLVED

    Started by maverick2, 04-09-2010 12:46
    • Replies: 18
    • Views: 78,413
    10-23-2017, 07:57 Go to last post
  9. Sticky Thread Sticky: DTC Codes-Definitions

    Started by MAV, 09-27-2003 06:24
    • Replies: 7
    • Views: 50,630
    09-07-2017, 16:45 Go to last post
  10. Arrow Sticky Thread Sticky: LML Fuel Economy

    Started by cowboywildbill, 04-29-2011 06:46
    • Replies: 18
    • Views: 55,671
    07-13-2016, 07:27 Go to last post
  11. Poll Sticky Thread Sticky: Poll: 2001-early 2004 LB7 Duramax Fuel Economy Poll

    Started by More Power, 12-31-2004 14:35
    6 Pages
    1 2 3 ... 6
    • Replies: 113
    • Views: 217,086
    01-19-2016, 14:50 Go to last post
  12. Arrow Sticky Thread Sticky: LMM Fuel Economy

    Started by More Power, 04-11-2007 22:20
    5 Pages
    1 2 3 ... 5
    • Replies: 98
    • Views: 158,415
    01-24-2013, 06:38 Go to last post
  13. Sticky Thread Sticky: New to Forum: How to tell type of Engine

    Started by bradjedis, 06-18-2007 10:41
    • Replies: 11
    • Views: 47,940
    03-23-2010, 10:03 Go to last post
  14. Thumbs up Sticky Thread Sticky: D Max Express Fuel Mileage

    Started by wurk_truk, 04-28-2006 21:40
    • Replies: 10
    • Views: 50,924
    06-21-2008, 16:16 Go to last post
  15. Sticky Thread Sticky: Postings in the 'Duramax 6600' forum

    Started by Mark Rinker, 08-03-2007 07:58
    • Replies: 0
    • Views: 16,541
    08-03-2007, 07:58 Go to last post
  1. turbo experts.....

    Started by spongebob, 06-13-2024 10:30
    • Replies: 3
    • Views: 838
    Yesterday, 11:08 Go to last post
  2. Wink Duramax Head Gasket Replacement

    Started by More Power, 05-31-2021 06:10
    7 Pages
    1 2 3 ... 7
    duramax, head gasket replacement
    • Replies: 137
    • Views: 29,164
    07-19-2024, 21:33 Go to last post
    • Replies: 3
    • Views: 288
    07-14-2024, 14:29 Go to last post
  3. P003A code

    Started by spongebob, 06-12-2024 13:27
    • Replies: 9
    • Views: 1,779
    06-22-2024, 09:49 Go to last post
  4. battery boils over, on one side?

    Started by delspeed, 12-03-2007 19:50
    • Replies: 14
    • Views: 9,804
    06-09-2024, 16:16 Go to last post
  5. Arrow 750K Mile Duramax

    Started by More Power, 03-22-2010 10:37
    • Replies: 13
    • Views: 137,431
    05-23-2024, 12:27 Go to last post
  6. Wow..after replacing my T-stats..

    Started by spongebob, 04-30-2024 13:45
    • Replies: 6
    • Views: 1,760
    05-21-2024, 12:51 Go to last post
  7. heater hose going back on...

    Started by spongebob, 04-28-2024 06:39
    • Replies: 6
    • Views: 1,721
    04-29-2024, 08:34 Go to last post
  8. How does this hose come off?

    Started by spongebob, 04-22-2024 12:02
    • Replies: 2
    • Views: 1,417
    04-23-2024, 09:00 Go to last post
  9. LB7 Coolant in the Oil HELP!

    Started by dgalvin66, 12-30-2023 11:58
    • Replies: 7
    • Views: 3,324
    04-14-2024, 17:45 Go to last post
  10. Someone tell me why

    Started by spongebob, 03-25-2024 12:04
    • Replies: 5
    • Views: 3,023
    04-03-2024, 10:20 Go to last post
  11. I was sniveling about..

    Started by spongebob, 03-20-2024 15:14
    • Replies: 5
    • Views: 1,902
    03-22-2024, 11:06 Go to last post
  12. Oil Pressure issue?

    Started by steven h, 03-11-2024 17:25
    • Replies: 3
    • Views: 1,925
    03-12-2024, 21:17 Go to last post
  13. Red face Head gasket replacement and beyond,,

    Started by spongebob, 12-25-2023 08:52
    • Replies: 15
    • Views: 2,942
    02-13-2024, 13:53 Go to last post
  14. Peak orange anti-freeze

    Started by spongebob, 01-29-2024 08:57
    • Replies: 0
    • Views: 1,432
    01-29-2024, 08:57 Go to last post
  15. rebuilt or new injectors..

    Started by spongebob, 12-27-2023 11:57
    • Replies: 5
    • Views: 2,223
    01-18-2024, 12:42 Go to last post
  16. can I pull the T-stats and run the engine?

    Started by spongebob, 01-09-2024 12:02
    • Replies: 1
    • Views: 1,208
    01-18-2024, 12:19 Go to last post
  17. Cold Weather Operation

    Started by More Power, 01-18-2024 12:10
    cold weather, diesel fuel gelling
    • Replies: 0
    • Views: 1,358
    01-18-2024, 12:10 Go to last post
  18. My cost to replace my 6.6

    Started by spongebob, 12-28-2023 13:33
    • Replies: 17
    • Views: 4,558
    01-10-2024, 13:07 Go to last post
  19. Fuel injectors and pump horror stories….

    Started by spongebob, 01-05-2024 10:11
    • Replies: 4
    • Views: 1,980
    01-06-2024, 14:24 Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comodo SSL