My '83 300D was idling very rough at start up, mind you I am running B100 and Wvo. Obviously starting on B100 or so I thought. I was heading down to the cabin 2 days ago and lost all power. Filter plugged I thought, I was running on B100, but what had really happened was the Pollak valve was stuck open on the wvo side. So for the last 3 days I had been trouble shooting the gp system and all is fine. Running for 3 days locally on cold wvo was not a good thing for my MB, but the good thing to know is that it will start on straight wvo at 55f in the mornings of Western New York. So, I quess, I have a good GP system and good compression.

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'83 240D 264k on 100% biodiesel/ 31mpg
83 300D 217K the $800 gem
'82 300D 267K the new WVO project car finished and driving for free
International tractor B275 on B100
Ford 555 backhoe on B100
Sargent 25 ton Rough Terrain crane on B50