You can barely see the Flat plate heat exchanger under the cruise control actuator. I mounted the first 6 port valve above the heat exchanger and the second one near the dip stick. I made sure that the fuel lines that have both fuels running through them were as short as possible for a fast purge. The oil filter is next to the windshield washer reservoir. I used a reservoir from a 300D to replace the huge and cracked one that was in the car.

The line from the heat exchanger to the second 6 port valve runs along the valve cover for warmth. All other oil lines run near coolant lines to keep them warm.

Pictures: Tank mounted in trunk, Under hood components (I will post better under hood pictures later)

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine