Two stroke oil in fuel

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Originally Posted by macca

Yes 1:1000, I rang him to make sure it was right, he also said don't over dose it.
I had a cleaner additive that also was 1:1000. Can not remember brand but label said treats 1000 litres.

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I use Fuel Saver Diesel Conditioner that also has a 1:1000 ratio per dose. When I used it in my old 2.8 litre Pajero diesel motor at this dose it had a huge impact. The motor ran a lot smoother and quieter. It was a 1995 model so the diesel back then would have had more sulfur in it so the diesel conditioner (which I suspect is mainly 2 stroke oil and maybe some cleaners) really worked. I still use it occasionally on my CRD Patrol but there isn't much of a difference that I can detect due to the common rails being designed around the current fuel.

From what I have read the 1:200 ratio for 2 stroke oil originated in Germany to pass their yearly smog test so it may be much higher than needed for every day use, but who really knows.