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Originally Posted by 95dodgectd
thank you for answering that rather simple questionaire, what has to be done to a 95 to run on bio-fuel or veggie oil.
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For Biodiesel:
Not much - these trucks have metal fuel lines - any rubber lines in the mix would need to be replaced with synthetic (alcohol compatible) lines - biodiesel will melt the normal rubber. Plan on either flushing the fuel tank or going through a few filters - a 11 year old truck probably has deposits formed in the fuel tank and the biodiesel will work as a great solvent to clean them out - and clog some filters.
For WVO:
You want to heat up the grease before pushing it through your injection pump. 150*-160* F is a good temperature to shoot for. At that point the viscosity is fairly close to that of diesel. Most people use secondary tanks, several heating systems - ending in a coolant-based heat exchanger. You can run a secondary pump - or tap into the stock fuel pump.
Where you drive dictates how much heating you need and where you need it. Also - if you end up getting partially hydrogenated oil - or have to deal with snow and ice in the winter, you'll need a heated tank, heated fuel lines, a heated filter and that final heat exchanger. Check out:
www.plantdrive.com
www.frybrid.com
www.greasecar.com
www.greasel.com
http://biodiesel.infopop.cc/groupee/forums
Frybrid has a lot of links to research papers, vehicle fuel system diagrams and a decent forum for questions.