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oil change interval

  1. Oil life sensor, fuel filter life sensor

    07.5-10 LMM Duramax Powertrain
    I have an LMM Duramax and im just wondering how accurate the sensores are. If running Mobil, Amsoil, Rotella oils that extend change intervals will the life level run out before the interval, and same with an after market fuel filter like AFE. Thanks.
  2. oil change intervals?

    Alternative Fuels Diesel Additives Lubricants
    I've been told by the dealer that engine oil (and filter) need to be changed every 3,000 miles religiously. According to the oil life on the display, that is not the case. I have an '06 LBZ spinning an Allison, and I rarely get the chance to work the truck the way it's set up to be worked. Is it...
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