Threads 1 to 18 of 18

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: New to Forum: How to tell type of Engine

    Started by bradjedis, 06-18-2007 10:41
    • Replies: 11
    • Views: 44,866
    03-23-2010, 10:03 Go to last post
  2. Arrow Sticky Thread Sticky: LML Fuel Economy

    Started by cowboywildbill, 04-29-2011 06:46
    • Replies: 18
    • Views: 49,925
    07-13-2016, 07:27 Go to last post
  3. Sticky Thread Sticky: LBZ Fuel Mileage

    Started by Dannyboy, 03-10-2006 15:46
    9 Pages
    1 2 3 ... 9
    • Replies: 168
    • Views: 185,491
    12-30-2023, 15:22 Go to last post
  4. Sticky Thread Sticky: Gasoline in my 6.6 Duramax

    Started by Javy, 06-01-2006 18:36
    2 Pages
    1 2
    • Replies: 32
    • Views: 86,319
    05-21-2020, 11:15 Go to last post
  5. Sticky Thread Sticky: Postings in the 'Duramax 6600' forum

    Started by Mark Rinker, 08-03-2007 07:58
    • Replies: 0
    • Views: 14,895
    08-03-2007, 07:58 Go to last post
  6. 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: 43,874
    10-04-2020, 03:07 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: 325,357
    03-18-2018, 04:55 Go to last post
  8. Sticky Thread Sticky: DTC Codes-Definitions

    Started by MAV, 09-27-2003 06:24
    • Replies: 7
    • Views: 46,798
    09-07-2017, 16:45 Go to last post
  9. Sticky Thread Sticky: 2001 LB7 fuel system/limp mode problem SOLVED

    Started by maverick2, 04-09-2010 12:46
    • Replies: 18
    • Views: 71,964
    10-23-2017, 07:57 Go to last post
  10. 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: 127,762
    10-29-2018, 12:13 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: 201,965
    01-19-2016, 14:50 Go to last post
  12. Sticky Thread Sticky: High Miles contest!

    Started by More Power, 11-29-2005 07:23
    6 Pages
    1 2 3 ... 6
    • Replies: 107
    • Views: 123,411
    02-29-2024, 13:38 Go to last post
  13. 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: 137,996
    01-24-2013, 06:38 Go to last post
    • Replies: 5
    • Views: 31,226
    06-03-2022, 09:59 Go to last post
  14. Sticky Thread Sticky: Dexcool vs. other coolants

    Started by TomJ01, 12-01-2010 16:01
    • Replies: 13
    • Views: 79,621
    10-28-2020, 13:47 Go to last post
  15. Thumbs up Sticky Thread Sticky: D Max Express Fuel Mileage

    Started by wurk_truk, 04-28-2006 21:40
    • Replies: 10
    • Views: 47,541
    06-21-2008, 16:16 Go to last post
  1. L5P: Balance rate criteria changed?

    Started by chessy56, 08-17-2023 06:45
    • Replies: 2
    • Views: 599
    08-19-2023, 13:30 Go to last post
  2. LB7 Coolant in the Oil HELP!

    Started by dgalvin66, 12-30-2023 11:58
    • Replies: 6
    • Views: 793
    03-23-2024, 12:22 Go to last post
  3. MPG with new 6.6?

    Started by DieselDavy, 12-09-2023 18:13
    • Replies: 8
    • Views: 1,134
    12-24-2023, 20:47 Go to last post
  4. Casper Wyoming area-help needed

    Started by Kennedy, 08-23-2023 11:11
    • Replies: 2
    • Views: 643
    08-29-2023, 09:20 Go to last post
  5. 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: 130
    • Views: 16,278
    01-30-2024, 15:56 Go to last post
    • Replies: 3
    • Views: 1,080
    08-28-2023, 10:44 Go to last post
  6. Lightbulb Protect Your Brand New Duramax

    Started by More Power, 06-19-2023 10:04
    corrosion, rust
    • Replies: 2
    • Views: 669
    06-20-2023, 10:22 Go to last post
  7. Cold Weather Operation

    Started by More Power, 01-18-2024 12:10
    cold weather, diesel fuel gelling
    • Replies: 0
    • Views: 159
    01-18-2024, 12:10 Go to last post
  8. can I pull the T-stats and run the engine?

    Started by spongebob, 01-09-2024 12:02
    • Replies: 1
    • Views: 198
    01-18-2024, 12:19 Go to last post
  9. Red face Head gasket replacement and beyond,,

    Started by spongebob, 12-25-2023 08:52
    • Replies: 15
    • Views: 946
    02-13-2024, 13:53 Go to last post
  10. rebuilt or new injectors..

    Started by spongebob, 12-27-2023 11:57
    • Replies: 5
    • Views: 569
    01-18-2024, 12:42 Go to last post
  11. Fuel injectors and pump horror stories….

    Started by spongebob, 01-05-2024 10:11
    • Replies: 4
    • Views: 436
    01-06-2024, 14:24 Go to last post
  12. My cost to replace my 6.6

    Started by spongebob, 12-28-2023 13:33
    • Replies: 17
    • Views: 1,559
    01-10-2024, 13:07 Go to last post
  13. Peak orange anti-freeze

    Started by spongebob, 01-29-2024 08:57
    • Replies: 0
    • Views: 164
    01-29-2024, 08:57 Go to last post
  14. I was sniveling about..

    Started by spongebob, 03-20-2024 15:14
    • Replies: 5
    • Views: 102
    03-22-2024, 11:06 Go to last post
  15. Someone tell me why

    Started by spongebob, 03-25-2024 12:04
    • Replies: 3
    • Views: 79
    03-26-2024, 06:29 Go to last post
  16. Oil Pressure issue?

    Started by steven h, 03-11-2024 17:25
    • Replies: 3
    • Views: 99
    03-12-2024, 21:17 Go to last post
  17. Battery time for the 2001 DMax

    Started by Yukon6.2, 09-24-2022 09:23
    • Replies: 19
    • Views: 3,873
    12-14-2023, 09:44 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