On 06/30/2011 02:14 AM, Andrew Martin wrote: 
> only problem I can see with using a test club is needing supplemental > air for the heat exchangers or very short runs. 
I've got a centrifugal fan blowing in the oil cooler duct, and the output of a shop-vac blowing in one of the two radiator ducts. The oil temp rises slow; at least, much slower than the water. It should get better with the second radiator installed, but I get about 15 minutes of run time before I hit my redline of 200*. Then I can shut down, but leave the electric water pump going. With the fan still blowing, the temps drop about as fast as they go up. 
 
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