The CSF Radiator Challenge! CSF vs Masiv

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The plan was to wire everything up and download the data into our laptop
We started the car on the dyno with the fans off and ran it at a constant speed until the thermostat opened at around 190F.  We then let the car idle until the temperatures stabilized.
Finally we turned on the dyno fan and let the temperatures stabilize again.
We then ran full dyno pulls consecutively back to back as fast as possible.  Our plan was to keep running the car until thermal runaway where we would stop the test when the upper radiator hose reached 240 degrees or until the temperatures stabilized.   This is a very demanding test as the dyno fan does not even come close to the air velocity and volume of an actual moving car.  When doing dyno testing we typically have to let the car cool for several minutes between runs to get rid of excessive heat soak for consistent results. 
During the course of the test the supercharger intercooler heat soaked and the car would lose 35 plus hp from the first run to the last.
The CSF radiator fit perfectly and was an easy drop in.  Not so for the Masiv radiator.  The radiator interfered with the AC condenser.  This would quickly rub through the radiator if it was not addressed.

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