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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...

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.

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)...

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?

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 .....?

If you want instant heat, the diesel fired unit is the way to go. It's a complete system in itself and you need to familiarize yourself with it to really appreciate it. Many posts in the past.....the multifuel engine won't be putting out much heat at idle, so the wait for warm air could be a...