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Hey there, 

I ran some tests on a VVTI motor by connecting up a MAF sensor, and then datalogging the output at varying cam advance angles. As per below. 

So it should be fairly easy to see where it's adding airflow (power potential!) without a dyno by looking where you need to add/remove fuel to reach goal AFRs at differening cam angles.

(Then head to dyno to optimise ignition timing etc) 



Edited by Davidv
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