Before I hook up the cab heater anywhere I would first like to understand how this system functions. If the little bypass hose is pressure rather than suction, wouldn’t it be circulating water through just the radiator and not the engine?
There are 4 ports on the waterpump. The large lower radiator hose, which I assume, is a suction line flowing toward the pump. I also assumed the 3 small ports were all suction. One from the oil cooler, one is the bypass hose pictured and the third is plugged right behind the bypass hose. I then assumed the pump pushed all this water into the block where it’s mounted and up through the head to the thermostat and upper radiator hose. That’s how I thought cooling systems functioned.
Apparently I’m mistaken so can someone explain what is really happening? I’m baffled now.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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