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  1. darkness

    Coolant Temperature Fluctuating & Poor Fuel Mileage

    Those temps aren’t out of line, but you should address those 2 things.
  2. darkness

    Coolant Temperature Fluctuating & Poor Fuel Mileage

    The lift, heavier and bigger tires are hurting you mileage. Did your temps start rising after the lift and tires? Have you cleaned your cooling stack? And also how old is your fan clutch?
  3. darkness

    3d-printed switch panel mount repair

    They make the whole bracket as well. My arm rest is broken, but the switch panel is hanging on still lol.
  4. darkness

    April '25 Chat -- We wont get fooled again!

    My ‘01 Camaro held 5.5q, always just threw in 6 cause it was going to burn it anyways.
  5. darkness

    2003 C&C LB7 ZF6

    I always filled my front tank on my Kodiak and the rear for long trips. The front tank will only read 3/4 full with an empty rear. Curious if the light duties and medium duties are different.
  6. darkness

    2003 C&C LB7 ZF6

    The front filler neck. Always work off the front tank. Even putting fuel in it if only filling one tank.
  7. darkness

    2003 C&C LB7 ZF6

    That little tune on the right is where I tied the return into. If your sending unit is the same.
  8. darkness

    2003 C&C LB7 ZF6

    Yes, the rear tank transfers to the front tank. If you already have a sump, that’ll be fine to use. Do you have a flat bed or are your tanks exposed? On my Kodiak, I tied right into the sending unit with a 90* fitting. Air Dog sells different fittings. I also had a 3rd port capped off on the...
  9. darkness

    2003 C&C LB7 ZF6

    what kind of questions you got?
  10. darkness

    Turbo noise

    Source: https://youtu.be/JZD-ADArwXo
  11. darkness

    New guy with a new to me old truck, headgasket r-n-r questions

    Tap them upside down to clean them out. Don’t use any pressure sprays or air or you can push debris further in.
  12. darkness

    Grand Tracker on Youtube

    Sub’d
  13. darkness

    2012 GMC 2500hd LML full deleted now sensitive to ambient temp

    How big of a tune are you running?
  14. darkness

    April '25 Chat -- We wont get fooled again!

    I got this on my phone a number of years ago. I had one in my back yard that was pure white with silhouettes of whatever I had back there. Can’t find that one ☹️.
  15. darkness

    April '25 Chat -- We wont get fooled again!

    Think you did the math wrong?
  16. darkness

    Stumble after injector work

    What did you use to check all that? 26,000 is too high for an lb7 (unless you have a Lbz reg). Lb7 should be 23,200.
  17. darkness

    April '25 Chat -- We wont get fooled again!

    I think I’ll wait for the price to come down.
  18. darkness

    April '25 Chat -- We wont get fooled again!

    ‘Bout time…
  19. darkness

    Possibly a Bad ECM?

    https://www.duramaxdiesels.com/forum/threads/tuned-lly-duramax-no-added-power-between-tunes.90338/page-2 Go to post #22. I don’t know if it works on Lbz too, maybe @JoshH or someone else can confirm.
  20. darkness

    LML VATS - 10 Years Still On

    I don’t know really. It seems only the 15+ needs programmed. 11-14 is plug and play.