Quote:
Originally Posted by shertex
You should conduct an experiment tomorrow morning....start all your diesels.
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It won't be an experiment. I have to go to work

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I think -29 C was my previous record, for my w116 SD. But it had a coolant circulating heater and a battery blanket. My 300d only has a block heater and a small battery warmer (made for an ATV or similar).