evilplan
Registered User
I have heard rummors th IH makes a 185 deg themostat for our trucks but cant find a part number......any one out there have a number or even beter have an extra one?
I dont know about IH, but go to summit and find a Robertshaw design 185 deg stat and they are identical aside from the rubber seal ring which really isnt needed, you get better flow without it. I run a 185 high flow robertshaw stat in mine
Because towing and pulling steep grades is tough on a cooling system when its 115-120 out
trueJust figured every little bit helps!
If the outside temperature is 115 degrees and you are pulling a heavy load in the desert, a lower thermostat will not help one bit. You will be at the same engine temperature with a 192 degree thermostat or a 180 degree thermostat. Engine temps will probably be in the 230 degree range in those conditions. This is because both a 180 and 192 degree thermostat will be wide open and pushing lots of coolant thru the engine in attempts to keep it cooler. I would focus on the fan clutch, excellent coolant quality and cleanliness, and water pump that is working properly. These things will help when towing, not a thermostat.......that is, of course, making sure you are running a diesel thermostat and not a gas one!