Reply to "Jtaphorn Cooling system modification"

davidnunnMember

@LeMans850i posted:
Somehow, I have to disagree with this whole coolant speed issue… In my mind, the coolant – Water has to stay in contact with the Engine for some time to take on the heat and then it gets transferred to the radiator, which has to be there for some time to get cooled down by the airflow..
I do not see that a lot of coolant is rushing very fast through the engine removes a lot of heat!
same holds true the other side – radiator!

I think this is one of the few cases where speed is not the answer!

I always felt the same way you do, until I spent an hour on the phone with an engineer at Stewart Components. Stewart is a cooling system technology/engineering firm. They supply water pumps to NASCAR. It's all here:

https://www.stewartcomponents.com/about/

Pay attention to the part about multi-pass radiators!

11/22/242:59 PM

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