Sorry, nope. Doesn't do it for me. NO WHERE have I ever read that a thermostat somehow magically causes water flow to divert to the rear of an engine and back.
What I'm asking for here is a quote from a recognized text, or other authoritative source.
Sometime ago I found myself here:
http://www.stewartcomponents.com/Tech_Tips.htm
They don't seem to agree with you
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These guys seem to think:
http://www.arrowheadradiator.com/14...apability_in_high-performance_automobiles.htm
[FONT=arial,arial,helvetica]The heat load to the cooling system is related to the flow through the radiator and the temperature drop through the radiator by the following expression:[/FONT]
[FONT=arial,arial,helvetica]
Q = M * cp *dT[/FONT]
[FONT=arial,arial,helvetica]Where Q is the heat load BTU/min., M is the mass flow rate of the coolant in BTU per pound per degree F, dT is the temperature drop through the radiator in degrees F[/FONT]
[FONT=arial,arial,helvetica]Looking at the previous expression, we can see that slowing the coolant down is the wrong way to go[/FONT]
[FONT=arial,arial,helvetica]What would happen if we increase the coolant flow?[/FONT].....................
........................[FONT=arial,arial,helvetica]will result in better heat transfer performance. There are some cautions to be observed in increasing coolant flow rate, however. Going too far may result in aeration and foaming of the coolant, possible damage to the radiator by overpressure, cavitation of the pump, due to excessive pressure drop through the radiator, and erosion of the radiator tubes.[/FONT]
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Nowhere in these discussions does anyone say anything about a restriction being necessary to promote circulation in the engine block and heads.
