Manage the flow of diesel
February 22, 2009 | 4:14 p.m. CST
The fuel injection control module and the Pollak 6 port valve are located in the bottom left corner. The control module is the silver block, the valve is the black box attached to it. Both are part of the Golden Fuel system in Schulte's car that manage the flow of diesel and the filtered and heated straight vegetable oil (SVO) stored in the tank on the back of the truck into the engine. When Schulte starts the engine of his Chevrolet, it runs on regular diesel until it reaches operating temperature. The hot coolant can then be used to heat the more viscous vegetable oil in the tank. Once it is heated up properly, Schulte flips a switch on his dashboard and the car runs on SVO.
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