Quote:
Originally Posted by HeroCrank
Total engine bay temperature difference is a 70f. Two different products, one temp measurement each.
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That is not a valid assessment of the results, and is incredibly misleading. Your "total temperature difference", be it 70, 120, or 700 degrees, will change depending on the number of different parts you take a measurement of and add together, making that number by itself entirely useless. At a minimum you should be posting the average temperature drop of all components, definitely not the sum.
You wouldn't stick three pots of water outside, measure a 10 deg drop in each, and say that the outside temperature dropped by 30 degrees would you? Add another pot and it's now a 40 deg drop. When you start doing that, the numbers become meaningless. It's really detracting from the validity of your tests for anybody who knows what they're looking at. I promise you, anybody who looks at the numbers and sees what you've done to get that "70F" number will start to question the legitimacy of the rest of the test setup. Especially since no outside temperature is listed for the tests, just the 68F room in which you're doing the tests, which, since the car is spending almost no time in there, doesn't matter.
If the outside temp really didn't change at all, and the idle time is the same in both tests, then those are impressive results.