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Cooling
Everything pertaining to cooling systems including coolants, radiators, fans, water pumps, etc.
2 Cummins articles in this category
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200℉ Cummins Thermostat I've been experimenting with hotter coolant temperatures and found for most daily drivers this is a good way to go. The added heat actually will improve the MPG number just slightly and reduce EGT's slightly. Gates - 34212 - 200℉ This is direct replacement number. It will fit into your 1998.5 to 2002 Dodge Ram Cummins 5.9L engine without any modifications. Results Summer operation floats right around 204 to 210℉ coolant temperatures. With the tuning I've done on Quadzilla
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Flushing the Coolant System Draining Coolant On a cool engine (less than 140*F) remove the radiator cap. Now at the bottom of the radiator, there is a drain valve on the radiator. The drain turns 1/2 turn then pulls outward slightly then continues to turn to drain. To drain the overflow bottom it just easier to remove the hose from the radiator neck and then pull the overflow bottle upwards from the fan shroud. Flushing Cooling System Flushing the cooling system you'll need t
