The one thing that worries me about running on veggie is that sometimes I notice some small bubbles in the line. I've read that air bubbles in the line can cause cavitation to the IP which is something that can ruin a pump. I have a spare tank that I use to supply WVO to the engine. Due to the type of tank it is, it draws the fuel from the top rather than the bottom like on the Mercedes' fuel tank. I've thought about tapping a new outlet at the bottom to draw the fuel like the car's tank but the pump seems to do well enough as it is. I've also thought it advantageous to run it this way as it would avoid drawing any crud from the bottom of the tank that may settle. I haven't found any leaks in the suction line so I'm thinking the bubbles are formed when the tank gets shook from driving.
Anyone with thoughts on this?

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012