Threads 1 to 14 of 14

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: 106
    • Views: 112,139
    02-11-2023, 18:01 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: 167
    • Views: 170,815
    10-22-2022, 07:09 Go to last post
    • Replies: 5
    • Views: 29,796
    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: 76,487
    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: 41,627
    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: 81,061
    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: 118,214
    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: 309,157
    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: 68,168
    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: 45,491
    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: 47,770
    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: 191,845
    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: 128,411
    01-24-2013, 06:38 Go to last post
  13. Sticky Thread Sticky: Maximizing LLY fuel mileage

    Started by Stlheadake, 05-17-2006 11:32
    3 Pages
    1 2 3
    • Replies: 58
    • Views: 81,291
    11-29-2012, 16:34 Go to last post
  14. Sticky Thread Sticky: New to Forum: How to tell type of Engine

    Started by bradjedis, 06-18-2007 10:41
    • Replies: 11
    • Views: 43,470
    03-23-2010, 10:03 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: 45,961
    06-21-2008, 16:16 Go to last post
  16. Sticky Thread Sticky: Postings in the 'Duramax 6600' forum

    Started by Mark Rinker, 08-03-2007 07:58
    • Replies: 0
    • Views: 14,317
    08-03-2007, 07:58 Go to last post
  1. Dash removal on a 06 Silverado 3500

    Started by spongebob, 05-27-2023 13:35
    • Replies: 1
    • Views: 33
    05-28-2023, 17:08 Go to last post
  2. Radio antenna broke….

    Started by spongebob, 05-10-2023 16:46
    • Replies: 2
    • Views: 67
    05-20-2023, 08:52 Go to last post
  3. O/d and tow haull indicators?

    Started by DIESEL/VETTE, 05-09-2023 13:00
    • Replies: 7
    • Views: 110
    05-10-2023, 20:00 Go to last post
  4. 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: 121
    • Views: 4,123
    04-18-2023, 12:31 Go to last post
  5. LED day light running lights

    Started by spongebob, 10-22-2022 05:31
    • Replies: 4
    • Views: 432
    03-17-2023, 19:17 Go to last post
  6. guards for under engine & transmission

    Started by spongebob, 01-11-2023 15:51
    • Replies: 5
    • Views: 349
    01-25-2023, 14:45 Go to last post
  7. Engine block heater…

    Started by spongebob, 12-18-2022 05:37
    • Replies: 15
    • Views: 542
    12-31-2022, 09:06 Go to last post
  8. Battery time for the 2001 DMax

    Started by Yukon6.2, 09-24-2022 09:23
    • Replies: 10
    • Views: 598
    11-04-2022, 10:01 Go to last post
  9. Shift lever is out of wack

    Started by spongebob, 10-28-2022 06:12
    2 Pages
    1 2
    • Replies: 22
    • Views: 817
    11-01-2022, 10:19 Go to last post
  10. Engine replacement thoughts

    Started by spongebob, 01-16-2022 12:59
    • Replies: 8
    • Views: 1,143
    09-29-2022, 13:36 Go to last post
  11. Angry Permanent DTC- how they are cleared

    Started by chessy56, 07-10-2022 09:29
    • Replies: 1
    • Views: 395
    09-27-2022, 10:18 Go to last post
  12. Replace fuel filter now no start

    Started by gbeaird, 06-25-2022 15:56
    2 Pages
    1 2
    • Replies: 39
    • Views: 2,353
    09-04-2022, 13:29 Go to last post
  13. Thumbs up Duramax Suburban

    Started by More Power, 08-29-2022 10:20
    • Replies: 1
    • Views: 312
    08-29-2022, 11:54 Go to last post
  14. P0674 Glow plugs

    Started by a5150nut, 05-16-2022 17:18
    • Replies: 10
    • Views: 890
    08-11-2022, 12:42 Go to last post

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