I have tried it with 2-toke oil at low mix ratio (maybe 500ml/tank)... maybe ran a bit smoother/quieter. Exhaust smelled better. Didn't impress me enough to make it a habit.
But we're talking TD42 here... the thing will run on coal, tar, whale blubber, deepfry oil etc
Modern fuel has various additives, and modern engine oils as well, so how much wear we suffer for not having sulfur/lead in the fuel...questionable.
I'm not sure why your "IP wont tolerate the stuff"...guessing it could be viscosity issue? A fuel pre-heater could fix that if you want to run straight WVO. Another common way is to start on diesel and flip to WVO once engine is at temp, flip back to diesel before stopping to clear the lines.
Many people cut their WVO/WMO with RUG to achieve viscosity but I would think you would lose all benefits of lubrication doing that.
I'm not sure you could blend it well enough that the lighter fractions in RUG wouldn't still evaporate out, leaving you with goop and oil.
WVO= waste veg oil
WMO= waste motor oil
RUG= regular unleaded gasoline
"journey to forever" has the "biodiesel bible" which even if you don't pursue transesterification... might give you some ideas what you're looking at/for.
Bottom line...filtered veg oil is unlikely IMO to cause any issue in your fuel system. (And probably not cause any benefit, either)
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