CUMMINS BIG CAM 350 AC DIAGRAM MANUAL

I just called cummins and the thermostat housing that is need for your engine to be used on your water rail is a factory part and it list for 59800 and part is 3056548This is made for a big cam 4 stc rocker boxes and injectorsand hiflow coolant system.

CUMMINS BIG CAM 350 AC DIAGRAM MANUAL

View and Download CUMMINS NH 855 shop manual online. Ive been doing some reading and come up with the conclusion that these motors are prone to overheating. The old full flow ones have hoses that are 2 or larger. We had an 89 Volvo with a low flow system. When I worked at a fleet that purchased BC4 315s a Cummins Rep came and gave a class on the low flow cooling system. He put it all out with graphs charts and figures. I have a 350 cummins low flow that gets hot under a load. Haveing said that i ran my 1st 1 million miles with the big cam 4s and got over 13 m out of my fixed timed 315hp that i later turned up to around 400. The IV are the ones with the low flow cooling system. Lubricating System And Cooling System of Cummins NTA Series Engine Oct.

The low-flow system has about a 20 degree drop. There are two thermostats one is for circulating coolant strictly thru the engine block and at about 160 the other begins to open as the bypass thermostat starts to close circulating water to the radiator heat exchanger. This series used what is called a low-flow cooling system and it can be problematic. Light weight low fuel consumption high power and reliable work and the spare parts supply and maintenance is convenient.

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Cummins big cam 350 ac diagram