Page 1 of 2 12 LastLast
Threads 1 to 20 of 21

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: 137,035
    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: 202,021
    12-30-2023, 15:22 Go to last post
    • Replies: 5
    • Views: 33,264
    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: 84,199
    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: 47,927
    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: 91,736
    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: 139,605
    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: 339,348
    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: 76,646
    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: 49,764
    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: 54,121
    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: 210,878
    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: 153,189
    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: 47,190
    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: 50,058
    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: 16,119
    08-03-2007, 07:58 Go to last post
  1. 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: 136
    • Views: 23,473
    Today, 20:04 Go to last post
  2. Wow..after replacing my T-stats..

    Started by spongebob, 04-30-2024 13:45
    • Replies: 5
    • Views: 341
    05-07-2024, 09:18 Go to last post
  3. heater hose going back on...

    Started by spongebob, 04-28-2024 06:39
    • Replies: 6
    • Views: 611
    04-29-2024, 08:34 Go to last post
  4. How does this hose come off?

    Started by spongebob, 04-22-2024 12:02
    • Replies: 2
    • Views: 884
    04-23-2024, 09:00 Go to last post
  5. LB7 Coolant in the Oil HELP!

    Started by dgalvin66, 12-30-2023 11:58
    • Replies: 7
    • Views: 2,176
    04-14-2024, 17:45 Go to last post
  6. Someone tell me why

    Started by spongebob, 03-25-2024 12:04
    • Replies: 5
    • Views: 2,428
    04-03-2024, 10:20 Go to last post
  7. I was sniveling about..

    Started by spongebob, 03-20-2024 15:14
    • Replies: 5
    • Views: 1,339
    03-22-2024, 11:06 Go to last post
  8. Oil Pressure issue?

    Started by steven h, 03-11-2024 17:25
    • Replies: 3
    • Views: 1,412
    03-12-2024, 21:17 Go to last post
  9. Red face Head gasket replacement and beyond,,

    Started by spongebob, 12-25-2023 08:52
    • Replies: 15
    • Views: 2,047
    02-13-2024, 13:53 Go to last post
  10. Peak orange anti-freeze

    Started by spongebob, 01-29-2024 08:57
    • Replies: 0
    • Views: 1,031
    01-29-2024, 08:57 Go to last post
  11. rebuilt or new injectors..

    Started by spongebob, 12-27-2023 11:57
    • Replies: 5
    • Views: 1,628
    01-18-2024, 12:42 Go to last post
  12. can I pull the T-stats and run the engine?

    Started by spongebob, 01-09-2024 12:02
    • Replies: 1
    • Views: 816
    01-18-2024, 12:19 Go to last post
  13. Cold Weather Operation

    Started by More Power, 01-18-2024 12:10
    cold weather, diesel fuel gelling
    • Replies: 0
    • Views: 989
    01-18-2024, 12:10 Go to last post
  14. My cost to replace my 6.6

    Started by spongebob, 12-28-2023 13:33
    • Replies: 17
    • Views: 3,283
    01-10-2024, 13:07 Go to last post
  15. Fuel injectors and pump horror stories….

    Started by spongebob, 01-05-2024 10:11
    • Replies: 4
    • Views: 1,261
    01-06-2024, 14:24 Go to last post
  16. MPG with new 6.6?

    Started by DieselDavy, 12-09-2023 18:13
    • Replies: 8
    • Views: 2,667
    12-24-2023, 20:47 Go to last post
  17. Battery time for the 2001 DMax

    Started by Yukon6.2, 09-24-2022 09:23
    • Replies: 19
    • Views: 5,416
    12-14-2023, 09:44 Go to last post
  18. Casper Wyoming area-help needed

    Started by Kennedy, 08-23-2023 11:11
    • Replies: 2
    • Views: 1,477
    08-29-2023, 09:20 Go to last post
    • Replies: 3
    • Views: 1,776
    08-28-2023, 10:44 Go to last post
  19. L5P: Balance rate criteria changed?

    Started by chessy56, 08-17-2023 06:45
    • Replies: 2
    • Views: 1,482
    08-19-2023, 13:30 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