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  1. HacksawMark

    3.0 Duramax no regen

    If you are still concerned about the regens, you can always get a Banks or Edge monitor, and it will tell you the status of your DPF filter (soot level) and when regen is active. I use the Edge Insight CTS.
  2. HacksawMark

    LZ0 Diesel Mileage

    "31 is amazing.. are you driving 55 all the time? :D" No, as you can see from the photo, my average MPH was 37. My commute is mix of city/highway/freeway.
  3. HacksawMark

    LZ0 Diesel Mileage

    I switched tires again. At times, the Coopers had such a rough ride at freeway speed like everything was shaking. Sometimes, the ride would be smooth, but you never knew what kind of ride you'd get, and this was traveling on the same roads daily. I took them back three times to get them balanced...
  4. HacksawMark

    Black out emblems installed

    What I would really like to do is have the grille painted the same body with the black emblem. But then again, I'd have to remove it which would be a PIA plus I don't want to screw up my PPF on the front.
  5. HacksawMark

    Black out emblems installed

    Switched out the front and back chrome badging for the blacked-out ones. I was procrastinating doing this due to thinking I would have to remove the grille for the front badge. Found a super easy way of replacing it without taking the grille out. Will do the side badging at some later point...
  6. HacksawMark

    New truck coming in a few weeks.

    Congrats on the new truck and welcome aboard! I don't tow anything currently, but I have used use Timbren-like absorbers in a previous truck, and it certainly helped. If I tow in the future, I'm more inclined to get air bags though. As far as diesel additives, I've tried both Opti-Lube XPD...
  7. HacksawMark

    3 issues so far

    Hmm, I'm not having any issues using Apple CarPlay with either cable or Bluetooth. I can listen to music and see my maps at the same time. I feel the same about Google but they are probably locked in contractually with GM so don't think that can happen unless you can hack into the system.
  8. HacksawMark

    Another 3.0

    The same Color I had on my F 150s. This time, I went Stormfront Gray on the Siera 1500.
  9. HacksawMark

    Another 3.0

    Welcome aboard!
  10. HacksawMark

    New Software Update

    I haven't tried it yet. I'll try to remember tomorrow.
  11. HacksawMark

    New Software Update

    https://gmauthority.com/blog/2025/05/chevy-silverado-gmc-sierra-ota-software-update-n25-250520/
  12. HacksawMark

    2025 last year, buy or not?

    Do you have a link to such article? There was an article written last year about the discontinuing of the LM2 which was the predecessor to the LZO. The LM2 was still being used in the full-size SUVs for Chevy and GMC. They have since switched over to the LZO.
  13. HacksawMark

    2025 last year, buy or not?

    2025 is not the last year for the 3.0. Read an article about the upcoming 2027 modal which will have the 3.0 as one of their engine options. I have a 2024 Elevation and it runs great with no issues. 11,600 miles.
  14. HacksawMark

    Cetane rating specific gravity. 44

    No, renewable diesel is not the same as biodiesel. Renewable diesel and biodiesel have different chemical compositions. Renewable diesel is a much cleaner fuel to use than biodiesel. Unlike pure diesel, biodiesel is a mix of diesel and biofuel. The most common biodiesel is B20, which contains...
  15. HacksawMark

    Cetane rating specific gravity. 44

    I try to find renewable diesel when I can. It's cetane numbers are supposed to be in the 75 -90 range. I can find it at the local Circle K and 76 stations. It's the same or lower price than diesel #2
  16. HacksawMark

    Cetane rating specific gravity. 44

    I don't have a diesel fuel Hydormomiter so I haven't checked mine. I use Opti-Lube XL and XPD to raise cetane and lubricity when on road trips. At home (western Oregon) I always fill up with renewable diesel which is supposed to have higher cetane than diesel #2. I've been using XL for...
  17. HacksawMark

    Who changes your oil?

    That's the price for the basic oil change. Tire rotation would be extra. Thinking about inquiring at the local Chevy dealer to see what they charge.
  18. HacksawMark

    Who changes your oil?

    Geez, I need a new dealer. Mine wants to charge $200.
  19. HacksawMark

    Who changes your oil?

    If I had the space to change my own, I would. I would not trust a quick lube place to change the air in my tires. Just say'n.
  20. HacksawMark

    Engine monitor

    140%? Never heard of that happening before. Mine always kicks on at 100%. It's a good thing you're tracking it. Good idea for the dealer trip to figure out why it's doing that.
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