what is SAE corrected and uncorrected
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Uncorrected is how much power your car made on that pull. SAE corrected, calculates for all different types of temperatures and air quality and says what your car makes no matter what the weather is...
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http://dynojet.com/gmhtpmag3.shtml here a little better explanation.
The degree to which temperature, pressure and humidity affect power output is constant. If we accurately measure those parameters at the dyno location, we'll know the difference between the atmospheric conditions at the time and location of our test and those of SAE J1349. That difference is applied to the raw data and the result is corrected power and torque which we can compare to other data taken anywhere in the world that is also corrected to J1349.