As to comments by others, I'd think the water moving through the radiators twice as fast as the cooling loop shouldn't really make much of a difference, though. The radiator will basically shed just as much heat as delta-temp and airflow will let it, so I'd think little gain unless the radiator was already overkill for the setup, then running twice the flow through the radiator as the cooling loop would at best be less than running two radiators in series.
While i'm not sure if Foxgguy wants to do this for the same reasons I can say why I thought it might work b4 playing with the numbers. It is not the added flow through the rads I thought would add some performance, it was the added PASSES through the radiator. Granted added flow thru a a rad produces practically no change in it's C/W. But what happens if the water makes 2 passes through the rad for every one through the block? Will "re-coolling" ,if you will, the water in the loop add any additional performance? As far as I can tell at this point that answer would be no. I was picturing that added passes through the rad would act like having a second rad of about 1/2 the size of the original in series with the first...which it does. But the gains there appear to be outweighed by the gain in C/W at the block that could be made by having all of the flow go through it. This outcome was based on calcs alone and is not by any means proven with experimentation. What I am working on now is rebuilding my system with components that have known C/W
and flow curves curves to test it for real. The way I am going to set it up will allow me to alter the flow rates through the rad or block which will allow me to see if any gains are available from this method or it's inverse (allowng the block to recieve more flow than the rad). Intuition alone tells me that aproach probably won't present gains either.... I will do some calcs b4 I complete the project to estimate what may happen. Why bother doing it?......just fun to play with ...thats all.
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