I wouldn’t use 2-stroke oil, ATF, MMO, or anything similar in a newer diesel with a DPF.

They are probably fine in older engines. I've used 2-stroke and ATF in my '93 n/a 7.3 F250 with no problems.


If you take the time it takes, it takes less time.
--Pat Parelli

American by birth; Alaskan by choice.
--ironbender