Benz Veggie Conversion: The Nuts and Bolts Page 2

November 20, 2008
Colin Veg Conversion #2

Colin Veg Conversion #2

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#5) 12 volt auxiliary fuel pump. As vegetable oil is a bit thicker than diesel fuel, a pump such as the one picture above helps ensure adequate fuel pressure to the engine compartment. This pump is mounted between the fuel tank and underhood injection pump.

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Colin Veg Conversion #3

Colin Veg Conversion #3

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#6) Two Fuel Switchover Valves. These are activated by the Continuous Duty Solenoid (#4) described above. When activated, they route fuel from the vehicle's fuel tank as opposed to routing it from the purge tank. This system allows startup and shutdown on diesel fuel or biodiesel, eliminating the possibility of cold starting problems associated with thickened vegetable oil stuck in fuel lines underhood.

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All the parts and pieces are ready to go. Stay tuned as I install them this weekend, the final step before I am able to run the 300TD on nothing but pure, used vegetable oil from local Atlanta eateries.

Departure from Atlanta is set for December 5, when my best college friend Hugh and I will be driving more than 2,000 miles to Los Angeles on clean-burning waste vegetable oil.--Colin Mathews

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