Im running a 2.8 Pajero, and previuosly a 1.7 Isuzu tdi.
Both run just fine on approx 20-30% straight veg oil, and the remainder diesel.
Id never recomend white spirit/petrol/acetone, as non are lubricants, and diesel pumps dont like it.
Ive never had any cold weather issues, but then I never go above the 30% mark. I usually use supermarket veg oil(usually rapeseed), but have used soya as well(nice doughnut smell).
Problem is now, Asda have just bunged the cost up by about 12p per litre, presumably cos I go in there and buy them out every few weeks...........
Car runs well, sounds sweeter, smells lovely, and costs less to run. Has a smaller carbon footprint, and leaves me feeling smug.
Ive been doing this for about 2 years now, and never had any ill effects.
