Duramax WVO

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Today we installed our custom veggie conversion in Harald Bökar's 2006 GMC Sierra 2500HD. We installed our custom heated filter, electric fuel pump, and connected our insulated coolant and fuel lines to the custom heated tank Harald had installed before he came to us. The two 3 port fuel solenoids are installed under the hood to control fuel source and return destination. Wiring for the switches and fuel gauge and line insulation wraps up the installation. Pics are posted in our Photo Album.

The conversion is finished. Took the truck out for a spin to get the air out of the cooling system. Tank and lines came up to temperature (90c), so we hit the switches. No stutter, no change in power, no indication that the fuel was now clean burning free used fryer oil, except a slight potato chip smell from the exhaust. A beautiful success. More info on Veggie Oil in the Fry Guys article.