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Motorvate Sneak Peek: "Ultimate Air Filter Flow Test"

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Motorvate Sneak Peek: "Ultimate Air Filter Flow Test"

Old 02-17-2019, 11:06 PM
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MotorvateDIY
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Motorvate Sneak Peek: "Ultimate Air Filter Flow Test"



Here is quick peek at some of the research being done for the upcoming episode: "Ultimate Air Filter Flow Test"
In this episode I will be measuring the air pressure at wide open throttle between the panel air filter and the MAF sensor.
-AND-
I will be data logging directly from the intake MAP sensor to capture the pressure inside the intake manifold.
(I can't use the OBD MAP PID since it is off by 6 KPa due to the analog multiplexer used by the ECU)

Sooooo, I needed to figure out the formula (aka transfer curve) of the factory MAP sensor.
I used a precision absolute pressure sensor with a known transfer curve, applied a common vacuum source and measured the voltage output at multiple pressures.
Once the weather warms up, the data collection will begin!


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Old 02-18-2019, 10:58 AM
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rotarymike
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That setup makes my inner geek very happy. My outer geek wants to help...
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