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Old 09 December 2007, 17:35   #21
Country: UK - England
Town: cornwall
Boat name: nothing
Make: rib eye 430
Length: 4m +
Engine: tatsu 50
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again I missed half the program , but they called the car thier eco racer so i presumed they were running Bio fuel or home made. Maybe they added methanol to make it go faster and Iam sure I read somewhere you needed some methanol to make bio diesel ,
but hey it finished after a rebuild before the race

Whatever I wish you luck with your Bio production , iam not trying to put the kiabosh on yer ideas , I really do hope it works and at least you have an old diesel to try it in .

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Old 09 December 2007, 18:09   #22
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
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Originally Posted by ian parkes View Post
Maybe Clarkson has just explained a problem with Boi diesel . Thier BMW 24 hr endurance car died and among other problems they said the fuel pump seals had been destroyed by too much methanol in the fuel , the result being fuel in the sump.
Could explain the reason for the bottom end going on the 2 failures I heard of recently

Maybe Bio will be like unleaded when it first happened , the engines will run ok on it but need a few mods like different seals , or valve seats etc with unleaded .
I saw the part where the fuel was running out and it was yellow. I thought biofuel was brown-or is that just waste veg oil fuel?
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Old 09 December 2007, 18:16   #23
Country: UK - Wales
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Bio diesel is made from waste oil - methanol and sodium hydroxide - the methanol and NaOH are washed out afterwards - there should be almost none left. Bio Diesel is usually a nice golden/yellow colour - reminds me of something - now what was it???
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Old 10 December 2007, 11:10   #24
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Country: UK - England
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You could get a performance enhancement from "blowing" your diesel with LPG, if done correctly it gives better performance via a cleaner burn.

Though this will require an LPG kit, all extra cost. It would be an interesting economic comparison between a blown biosdiesel and an LPG converted petrol engine.

My 4.6 litre landrover project is still on but a good alternative would be a 300TDi on bio/veg oil and LPG kit.

New boat is here, very happy!
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