Posted 12/10/2009 17:49 (#959467 - in reply to #958966) Subject: Re: Ford 6.0 Powerstroke
WC IL
You need to always let these motors warm up good before driving in extreme cold. A friend was in the habit of as soon as it's started taking off, and he managed to break a couple of injectors due to the thick oil being forced through the injectors from the high pressure oil pump.