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Quote: Originally posted by rabb_uk on 17/3/2008

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Quote: Originally posted by plastic pig on 17/3/2008

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(Previosly posted in different section) The price of bio diesel is not so cheap anymore  I spoke to our local garage today about running my 56 reg terracan on it as they collect the oil and refine & mix it with whatever it is at the garage, but they advised me against running my car on it and said it is really only suited for vehicles from 1992-2004 and they were 99% sure it would invalidate my warranty and the best thing to do is check with the manafactuers. They charge 95p a litre so not that much cheaper anyway

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'Plastic Pig' driver
(AKA Hyundai Terracan)

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I guess they have  to take labour etc into account, but if you process it yourself the cost is approx .15p so they're making a good profit.

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Quote: Originally posted by tykey on 17/3/2008

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Is Biodiesel 100% vegetable based?

I've read that 20% in diesel makes it useable in nearly all diesel engines

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As the odd contributor above has pointed out, one should be very aware of the risks here. The modern high-speed diesel engine employs a highly sophisticated pump and injector system. The thought that anyone would put COOKING OIL through them for any length of time will give engineers the wild willies. It would be nice to hear from a proper automotive engineer about this- there must be some out there somewhere.

Someone said they'd had to buy a new pump for their Rover 25, £650, thank you very much. On most car engines, these pumps will last the useful life of the vehicle itself. I had a Citroen 1.8td, which I believe has a related unit fitted to Rover 25D's, whose engine was still running perfectly well at 125,000 miles. I'd be surprised if that failure WASN'T due to the prolonged use of vegoil.

Stick to using it in the kitchen. Try rapeseed oil, much cheaper and much nicer than olive oil for cooking, and makes less fumes while doing so.     TTC.