Hello Tony and List,
Here is the Stewart Components Tech Pages that explains why you want
high flow and high pressure:
http://www.stewartcomponents.com/Tech_Tips.htm
The automotive cooling system is a closed loop. A higher
pressure in the loop and a higher flow through this loop
will yield a more efficient exchange of btu at the radiator. Adequate
air flow across the radiator will transfer the btu out of the loop to the
atmosphere.
Limitations are the burst pressure of any of the cooling system's components
(the radiator cap in a well designed system should prevent this), the
efficient unrestricted flow of water through the system, and the efficient
unrestricted flow af air across the radiator.
Lots of h2o pressure, lots of h2o flow, lots of air flow across
radiator is good!
In a nutshell, slowing down the water flow to extract more heat is dead
incorrect.
Henry V
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