December 11th, 2009.
My deuce, "Saddam's Nightmare" is currently in the cold start limbo, but I have it pinned down to either the starter solenoid (on the starter itself) and/or the starter relay. It will start as 32*F and above, it won't usually even crank at 31*F and below. The batteries are less the 1-1/2 year old new ordnances (6UT or TL), new starter pushbutton, runs like a champ except when its that cold. Flame heater on manifold does make a difference in starting, but once the bugs are shot out of her, should I move to a colder climate the truck will be kept indoors with a hot water heater unit on the engine.
American diesels were never well designed to deal with winter, but I had a Deutz FL912 4 cylinder air cooled that would start at -30*F without ether and oil pan heat. It was fitted for both systems at the factory and did have them.... it just never needed them. I guess after the Moscow campaign in WWII German engineers understand winter happens....!
We need to get our engines to be able to do that also.....
Just my .02 worth.
Cheers,
Kyle F. McGrogan