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Old 08-08-2019, 03:46 PM   #10
blue62
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Join Date: Aug 2018
Location: Woodland Wa
Posts: 1,300
Quote:
Originally Posted by particlewave View Post
As long as you don’t exceed 120% of the original air volume flowing over the MAF, the DME can adapt, no remapping necessary.

A rudimentary volume calculation can be achieved by using the diameter of the original MAF tube vs new and inputting the numbers into the formula for area of a circle. It’s not perfect, but will give you a rough idea. You can then check your fuel ratio to confirm whether or not it has adapted.
Hey Particlewave,
Do you mind if I ask where you get the 120% figure from?
I am always trying to learn more about the capabilities of modern day engine management systems.
Thanks
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