Threads 1 to 18 of 18

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 22:02
    5 Pages
    1 2 3 ... 5
    • Replies: 92
    • Views: 40,866
    06-16-2020, 08:41 Go to last post
  2. Sticky Thread Sticky: The GM 6.5L Diesel

    Started by More Power, 04-15-2019 12:31
    • Replies: 1
    • Views: 1,989
    04-15-2019, 15:38 Go to last post
  3. Sticky Thread Sticky: New Members, Read this First

    Started by Cowracer, 02-28-2006 11:01
    • Replies: 0
    • Views: 13,926
    02-28-2006, 11:01 Go to last post
  4. Sticky Thread Sticky: Forum guidelines regarding commercial ventures

    Started by JohnC, 02-13-2006 11:25
    • Replies: 0
    • Views: 9,231
    02-13-2006, 11:25 Go to last post
  1. Glow plugs died randomly!! Please help

    Started by Mikes454, Yesterday 18:28
    • Replies: 7
    • Views: 33
    Today, 11:41 Go to last post
  2. I bought an Optimizer NAVSTAR

    Started by 2INSANE, 01-16-2021 11:20
    2 Pages
    1 2
    • Replies: 24
    • Views: 393
    02-24-2021, 09:25 Go to last post
  3. Cold weather fuel knock

    Started by phantom309, 02-18-2021 08:29
    • Replies: 5
    • Views: 64
    02-24-2021, 08:54 Go to last post
  4. Determine Posi / Limited Slip

    Started by Low_Bridge, 02-20-2021 06:47
    • Replies: 5
    • Views: 80
    02-22-2021, 07:38 Go to last post
  5. Newbie to 6.5 have questions

    Started by Polarisrmk, 02-15-2021 23:34
    2 Pages
    1 2
    • Replies: 22
    • Views: 234
    02-22-2021, 07:22 Go to last post
  6. Cutting off then trouble starting

    Started by Islandsoul, 02-12-2021 22:21
    • Replies: 10
    • Views: 97
    02-16-2021, 17:56 Go to last post
  7. New Starter?

    Started by victor50, 01-16-2021 17:02
    • Replies: 7
    • Views: 155
    02-06-2021, 18:29 Go to last post
  8. Timing set replacement questions

    Started by walbright, 12-23-2020 15:56
    • Replies: 7
    • Views: 164
    02-06-2021, 10:53 Go to last post
  9. Cool Its winter again Thermostats,

    Started by phantom309, 01-09-2021 05:30
    • Replies: 3
    • Views: 104
    02-06-2021, 10:41 Go to last post
  10. Sputtering after road bump

    Started by Alwin, 01-30-2021 18:00
    • Replies: 6
    • Views: 94
    02-04-2021, 06:45 Go to last post
  11. 6.5 TD Refresher+Mods

    Started by 2INSANE, 12-17-2020 15:06
    • Replies: 15
    • Views: 339
    01-30-2021, 15:32 Go to last post
  12. Another 506 bites the dust

    Started by 2INSANE, 01-13-2021 11:13
    • Replies: 7
    • Views: 126
    01-14-2021, 05:28 Go to last post
  13. 1998 gmc3500hd duel fuel tank

    Started by Bradley995, 01-06-2021 18:02
    • Replies: 4
    • Views: 67
    01-07-2021, 20:24 Go to last post
  14. 96 GMC Sierra 6.5 turbo diesel

    Started by Missmiddle, 01-06-2021 03:57
    • Replies: 2
    • Views: 66
    01-07-2021, 08:35 Go to last post
  15. Weird 6.5 4 bolt coolant crossover? Wtf?

    Started by 2INSANE, 01-05-2021 18:58
    • Replies: 2
    • Views: 82
    01-06-2021, 15:41 Go to last post
  16. Why are 6.5 quieter then 6.2?

    Started by 2INSANE, 12-13-2020 10:10
    • Replies: 4
    • Views: 169
    12-15-2020, 11:40 Go to last post
  17. 6.2 IP on 6.5?

    Started by 2INSANE, 12-13-2020 10:06
    • Replies: 0
    • Views: 69
    12-13-2020, 10:06 Go to last post
  18. Clear codes with fuses?

    Started by GMC John, 11-23-2020 20:58
    • Replies: 1
    • Views: 85
    12-01-2020, 15:14 Go to last post

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