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That would be "00" gauge, 280 amp rating.....

I would say "0" gauge with a 250 amp rating like the slave connectors....1000 strands or more for flexibility.

Right, the Benmars don't use a wick. The ignitor is located within the ceramic vaporizer and the ignition takes place over a larger area. The fuel control valve is of a different brand, but works pretty much the same way the SW does. Personally, I will keep biodiesel/veggie oil and other...

Yes, very normal. It takes about 20 seconds before the flame can be heard and then another 20 to 30 seconds before the flame detector reacts.

Gimpy, some things to consider.... Max fuel pressure for the control valve is 15 psi. Place a petcock in coolant hose within easy reach, since it needs to be shut off when engine is running. I think Marti has one lower down on the block, hard to see. The in-tank fuel pump will draw about as much...

Here you go (since I happen to have an IP within reach)....

The heaters were improved in the 1950-60's to burn diesel, including DF2. I think the viscosity is a big factor and purity, since the fuel must be vaporized and also wicked (cotton/fiberglass wick) without contaminating the wick. You decide.

Excellent work M543A2, it shows that you have a good understanding for the workings of the system.

Here is a link to a PS magazine note on this subject: http://old.steelsoldiers.com/index.php?full=1&set_albumName=album04&id=ps326_p18_19_Cold_weather_starting&name=gallery&include=view_photo.php

The "S" solenoid must be open (have power to it) for fuel to flow. When unit shuts down, it closes and the heater goes thru the purge cycle to cleanse itself of any left over fuel.

:-D

I'm not familiar with the 978 model, so I may be on slippery ice here. "The other solenoid" (the "S") must always be open for fuel to flow. The overheat switch is closed unless an overheat condition exists. Schematic sent.

Much appreciated. I don't think it's a normal "behavior", may have something to do with the wiring....does the pilot light glow when you test it while driving? Perhaps engine vibrations cause problems with possible bad connection(s)...

As usual excellent workmanship Leonard. Don't forget your "star" washers for a good ground to the marker lights. I often use dedicated ground wires to bypass bolted connections.....

Interesting....how many times has this been the case and at what speed? How is the exhaust pipe routed, is there enough "road draft" to effect the airflow? During the start operation, the fan runs slower than normal, but there is still an air flow. Which fuel pump are you using?

Agreed, you don't want to make adjustments if not needed. I would only suggest that the fuel flow is confirmed to begin with, if it isn't good then do the cleaning bit.

Could be Benmar. The Benmar doesn't use a cotton wick and may be more reliable after decades of non-use....

Good work! Which unit do you have, or did I miss that .....?

Mark, how are they different? According to the wiring diagram, the pinout is the same for both, except "E" on the 939 series first goes through a Neutral Safety switch before it gets to the ignition switch (wire number 499-498 instead of #14 for the m809 series. .. Joe, how is the connector...