Posted 7/25/2013 23:21 (#3229807 - in reply to #3229340) Subject: Re: ISX oil cooler?
SE Mo
Mine runs about the same temp as yours. I've had it to the shop and looked at and put new thermostat in and still same thing. Mine is a 2003 --9400i. My brother bought a 2006 --9900i and his doesn't ever get over 180. If you figure it out let me know