Historically there was evidence to support adding 2 stroke to diesel
This practice was proven to improve lubricity of the fuel
Engineers were able to show a marked reduction in pump & injector wear
With the advent of sulphur additives in diesel, lubricity improved beyond the 2 stroke additive
Australian fuel was traditionally rich in sulphur because big sky's small population
Euro 3 emission spec was introduced around turn of the century & drastically cut sulphur content
Each successive Euro spec has again lowered sulphur content
This has given rise to a resurgence in the 2 stroke additive theory
I have read two different studies on fuel lubricity, mainly because I was bored
but in both studies using Euro V compliant diesel,
2 stroke additives actually lowered fuel lubricity
big oil companies aren't stupid and there are other synthetic additives in diesel now
I don not understand the science underpinning all of these studies
Nor can I claim to grasp the chemical make up of these latest additives
But I can advise you that you are simply wasting your time and money adding 2 stroke if you are using Euro V or better compliant diesel
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