Used motor oil as fuel Supplement.

Discussion in '5.9L 24 valve Cummins' started by bsays, Feb 26, 2018.

  1. bsays

    bsays Longgreenford

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    I have a 99 fleetwood Discovery diesel pusher, 5.9 Cummins.
    The guy that owned it before me said he used 25 to 30% used, filtered motor oil, is that a good practice for these engines, should I continue, anything to look out for?

    Thanks in advance.
     
  2. Kiwif150

    Kiwif150 Supporting Member Supporting Member

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    Thewespaul likes this.

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