I think I know the answer, but thought I'd ask anyway.<br/><br/>I've winterized our U300 with the 6V92TA engine. I have a full tank of diesel. Unless we get an Associate Pastor/Head Teacher in January or so, the next time I expect to start the engines will be after school is done in May. If I wait until then, I shouldn't need any anti-gel treatment, as all danger of frost <em>should</em>...