Quote:
Originally Posted by UFO
You would be well-served by using a heat exchanger to heat your veg-oil blends. A dual tank is really the only way to make vegetable oil fuel work for the long term as cold starts and incomplete combustion creates accumulations of polymers in your rings and sump oil.
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I'll look into heating the fuel- Imagine there are a few ways I could do it.
A Dual tank conversion would probably be more than the cost of the vehicle- certainly not for consideration at this point- maybe once hypermiling has repaid the cost of purchase
I dont envisage using either Waste Veg Oil, or 100% oil- my intention is to find a blend that allows normal operation (i.e. no disecernable issues with cold starts/incomplete combustion etc) at the lowest cost.
a 25% veg blend will be ok in the climate here, and will reduce my cost per litre by approx 8p (14 cents)..
I've read about the polymers, and that does indeed seem to be a cause for concern- abatement by using good mineral oil, keeping temps up and watching oil levels seems to be key.
once again, thanks for the informative post- Eyes are wide open on this now
