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Reply to "cooling system advice ??..."

quote:
so coolant will readily flow from the swirl tank into the surge tank. The radiator outlet tank is in the same zone as the surge tank

Okay, this still has me concerned.

Swirl (shorter) tank is coolant at its hottest. And you are saying this hot coolant will readily flow to the surge tank. And coolant in the surge (taller) tank is being continually sucked into the coolant pump and then directly into the block.

So there will be a steady flow from the 1/4" hose of fully hot (engine temperature) coolant in a closed loop right back into the engine.

Correct?

What effect that small a flow really has is sure not known to me. But it IS a closed loop of full-heat coolant.

And for years, we have preached to always use the correct thermostat, because without it not all the coolant is making its way to the radiator. Which is exactly what is happening with this closed loop of hot coolant; that water never sees the radiator. Right?

George, are you saying this closed loop is found in the books you reference?

Larry
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