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So this weekend, we did a little more testing.
We hooked up the Noctua computer fans (rated at 81CMH or 47.7 CFM) and they sucked, both literally and figuratively. They were whisper quiet but didn't work well at pushing air through the cooler. Regardless of what we did, air was being sucked out instead of being pushed through.
But, not all was lost as the best results of the day were regarding the cooler. One of those tests involved using Blaine’s Setrab cooler and another (B&M type, the one with the fan mounted to it) commonly used for transmission cooling. Bottom line is that we knew the Setrab was good, but we didn’t know it absolutely ruled. It dissipated heat like crazy. Although it was warm to the touch, you could handle the Setrab without any problems. With the other cooler, after running hot water through it for about 2 minutes, you could not leave your hand on it, it was burning hot.
So far we will be sticking with Setrab for the cooler. The next step is to find some high CFM fans that are both relatively quiet and don't draw too much amp, and I am ordering a variable speed water pump to test.
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