Can you run a Cummins without a thermostat?
Can you run a Cummins without a thermostat? You can run without a thermostat, if you restrict the flow of coolant. The closer the engine temp runs to 210, the more power it will produce, with less fuel consumption. The engine will also create less internal wear at this temperature. Where is the thermostat on a Dodge Ram 2500? Follow the upper radiator to the engine to locate the thermostat housing. How much antifreeze does a 6.7 Cummins take? Your vehicle requires 4 gallons of Full Strength Liquid Chill® Synthetic Engine Coolant or 8 gallons of 50/50 Premixed Liquid Chill®...