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  1. M

    JP4 Jet Fuel use?

    I used a lot in my 1985 suburban with What I believe it was a 6.2 liter. But I would put a quart of 30 wt oil per 50 gallon drum of jet a for lubrication. Jet fuel is a lot drier than the diesel used at the time. Not sure how much difference now than the ULSD we have now. I would consider it...
  2. M

    Dually calipers

    Go to GM parts direct website and see if the part numbers are the same.
  3. M

    LMM: O-ringing of block

    There are some good YouTube videos of them o ringing a Cummins.
  4. M

    Oil cooling

    Have you seen the picture of the fan on the 2020. I’ve seen planes with smaller props.
  5. M

    GM Medium Duty at the LA Auto show.

    At least when you open the hood you can reach most stuff.
  6. M

    Lb7 owner from florida

    Not for the bikers.
  7. M

    2020 hd

    My friend who lives about a mile away drop her fob getting in her truck. It starts fine and she comes to my house. When sh goes to leave truck won’t start, no key fob to be found. Imagine leaving on a 300 mile trip and finding this out.
  8. M

    L5P L5P Tuning

    It's just tables changed in the ecm from GM.
  9. M

    L5P L5P Tuning

    Yes, but did you read the manual, it's like 99,000 miles to go before reduced speed, when they run out of def.
  10. M

    LLY: How to safely Lope a Duramax?

    Holy cow it's been done. https://m.youtube.com/watch?v=uuHeKA0mdfs
  11. M

    LMM: Mileage doesn’t make sense

    So is it possible to tune the bcm?
  12. M

    LLY: How to safely Lope a Duramax?

    He could reread the whole forum, I don't think he will find much about smoke or lope tunes. I laughed pretty hard too. As I have 8 horses and a donkey, the lopeing a mule was the best. Problem with the mule is the ecm is locked up tighter than a L5p. I think a brute force hack would be the...
  13. M

    LLY: How to safely Lope a Duramax?

    I do like the sound, but my wife not so much.