I live in Colorado and work at a ski area. My 300tdt seems to start ok at -15 or so most of the time. It runs for about 30 sec. then dies, but on the second start it seems to be ok. I am guessing that it dies when the glow plugs go off. It normally starts on the first glow. I just hope that I am not damaging my motor by runing it when it is so cold. Any advise? There is not a plug available in the lot where I park.

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1980 300TD with 1985 300TD Turbo motor and 240D 4 speed.