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Forum: 6.5L Turbo Diesel - Tech Support - Troubleshooting - Performance

1992-00 6.5L Turbo Diesel - Welcome to the Internet's first discussion forum for the 6.5L diesel engine. Tips on performance, upgrades, cooling, fuel economy, troubleshooting and more.

  1. Sticky Thread Sticky: How much do you like your 6.5

    Started by Robyn, 08-05-2007 10:02 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 92
    • Views: 40,607
    06-16-2020, 08:41 AM Go to last post
  2. Sticky Thread Sticky: The GM 6.5L Diesel

    Started by More Power, 04-15-2019 12:31 PM
    • Replies: 1
    • Views: 1,904
    04-15-2019, 03:38 PM Go to last post
  3. Sticky Thread Sticky: New Members, Read this First

    Started by Cowracer, 02-28-2006 11:01 AM
    • Replies: 0
    • Views: 13,873
    02-28-2006, 11:01 AM Go to last post
  4. Sticky Thread Sticky: Forum guidelines regarding commercial ventures

    Started by JohnC, 02-13-2006 11:25 AM
    • Replies: 0
    • Views: 9,201
    02-13-2006, 11:25 AM Go to last post
  1. Another 506 bites the dust

    Started by 2INSANE, 01-13-2021 11:13 AM
    • Replies: 7
    • Views: 81
    01-14-2021, 05:28 AM Go to last post
  2. Cool Its winter again Thermostats,

    Started by phantom309, 01-09-2021 05:30 AM
    • Replies: 2
    • Views: 57
    01-10-2021, 02:57 PM Go to last post
  3. 1998 gmc3500hd duel fuel tank

    Started by Bradley995, 01-06-2021 06:02 PM
    • Replies: 4
    • Views: 63
    01-07-2021, 08:24 PM Go to last post
  4. 6.5 TD Refresher+Mods

    Started by 2INSANE, 12-17-2020 03:06 PM
    • Replies: 10
    • Views: 239
    01-07-2021, 08:46 AM Go to last post
  5. 96 GMC Sierra 6.5 turbo diesel

    Started by Missmiddle, 01-06-2021 03:57 AM
    • Replies: 2
    • Views: 57
    01-07-2021, 08:35 AM Go to last post
  6. Weird 6.5 4 bolt coolant crossover? Wtf?

    Started by 2INSANE, 01-05-2021 06:58 PM
    • Replies: 2
    • Views: 55
    01-06-2021, 03:41 PM Go to last post
  7. Timing set replacement questions

    Started by walbright, 12-23-2020 03:56 PM
    • Replies: 5
    • Views: 97
    01-03-2021, 05:41 AM Go to last post
  8. Why are 6.5 quieter then 6.2?

    Started by 2INSANE, 12-13-2020 10:10 AM
    • Replies: 4
    • Views: 148
    12-15-2020, 11:40 AM Go to last post
  9. 6.2 IP on 6.5?

    Started by 2INSANE, 12-13-2020 10:06 AM
    • Replies: 0
    • Views: 54
    12-13-2020, 10:06 AM Go to last post
  10. Clear codes with fuses?

    Started by GMC John, 11-23-2020 08:58 PM
    • Replies: 1
    • Views: 79
    12-01-2020, 03:14 PM Go to last post
    • Replies: 3
    • Views: 129
    11-17-2020, 08:14 AM Go to last post
  11. Might be PMD but seems like it isn't

    Started by GMC John, 11-15-2020 07:14 PM
    • Replies: 2
    • Views: 106
    11-17-2020, 06:23 AM Go to last post
    • Replies: 8
    • Views: 93
    11-15-2020, 11:31 AM Go to last post
  12. Best engine options

    Started by Dvldog8793, 11-04-2020 03:44 AM
    • Replies: 8
    • Views: 205
    11-10-2020, 02:50 PM Go to last post
    • Replies: 10
    • Views: 256
    11-08-2020, 10:47 PM Go to last post
  13. 6.5 Alternator question

    Started by 2INSANE, 11-07-2020 05:50 AM
    • Replies: 5
    • Views: 97
    11-07-2020, 08:16 PM Go to last post
  14. 6.5 turbo oil drain question

    Started by 2INSANE, 11-03-2020 08:06 AM
    • Replies: 3
    • Views: 77
    11-03-2020, 06:43 PM Go to last post
  15. Seriously disappointed

    Started by crazylouie, 10-22-2020 04:34 AM
    • Replies: 13
    • Views: 274
    11-02-2020, 08:53 AM Go to last post
    • Replies: 2
    • Views: 81
    10-30-2020, 11:04 AM Go to last post
  16. 6.5 cracked heads/cracked precups hood?

    Started by 2INSANE, 10-26-2020 04:53 AM
    • Replies: 7
    • Views: 108
    10-27-2020, 05:40 AM Go to last post

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