- #1
brouser
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I am putting a water cooled engine in a Porsche and want to design a custom radiator. How do I calculate the area necessary, air flow across this area, and temperature under different conditions assuming the power rating of the motor is 250 HP and is probably 35% efficient at best ? I have a mechanical engineer who works for me but the size he came up with does not seem to match what I see in production vehicles.