I have always told myself when I get an unexplained increase in efficiency in any motor that I have, it's only a matter of time until it blows up, that's why it's being so good. Has never happened, but I still tell myself that. Watch your gauges.
2012 GMC 2500HD D/A Crewcab
2012 Jayco Eagle SuperLite HT 26.5 RLS
2009 Crestliner Superhawk 1900
2013 Polaris Sportsman 550 EXP
2008 Polaris Sportsman 700 X2