<strong>Yahoo Message Number: 5809</strong>Wow, your engine must come up to the 158 degree as stated in the Cummins manual faster than mine. Do you have some sort of air restrictor over the radiator during air pressure build up. We usually move out of our camp site to by the exit gate where camper are not at to achieve manual specified operating temperatures. <br/>Lee '01 intrigue 350 ISC...