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Old 01-09-2007, 09:39 PM
chosenberg chosenberg is offline
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Join Date: Jul 2006
Posts: 75
looping the return on a single tank system?

Hi I have a 1978 Mercedes 240D. I have been pretty succesful running it on waste vegetable oil. I keep hearing about looping the return so the hot fuel doesn't go back to the tank. I really want to do this on my mercedes but have no idea on how to!!!!. Can anybody please provide me with a diagram, and explain to me how this is done on a 78 mercedes 240D single tank system. It would be greatly appreciated.
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