Quote:
Originally Posted by tbirdtbird
Yep.
"The heat not absorbed by the coolant because of the clogging, would have to be absorbed by the block and radiated to the atmosphere via the outside surface of the block"
It is well-established physics that dictates that heat transfer via water is MUCH more effective than via air
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Imagine the block was completely clogged with rust! How much heat would be transferred by the coolant to the radiator? Little to none! The more clogged your cooling passages in your engine, the less heat can be transferred to the radiator by the coolant! Your engine will overheat with clogged cooling passages because the coolant isn't transferring the heat to the radiator! The block is forced to absorb the heat which is eventually transferred to the atmosphere while your pistons score the cylinder walls and finally seize up! The only heat being transferred to the radiator is by steam in this scenario! It's not he radiator's fault that it is steaming! And the excessive heat is going to be transferred to the atmosphere by the block in this scenario! That's all I am trying to say!