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Discussion Starter · #1 ·
At what point are the 80mm Z32 MAFs absolutely necessary in an engine build? like, what boost level/hp, etc? I'm also curious...the Nismo MAFs as far as I can figure are 72mm, same as stock, but can measure higher airflows...so increased diameter by itself isn't critical, just the ability to measure greater airflow? In terms of upgrade order, it seems to be to be like this:

1) fuel system
2) turbos
3) intakes

But if the ability to measure higher airflows is critical to support any turbo upgrades, then #2 and #3 need to be reversed...but are the stock MAFs really that limited?

btw in my case everything is run by a Power FC Pro.
 

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Discussion Starter · #3 ·
by bhp you mean at the flywheel, and not at the wheels, yes?
 

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I believe standard AFM max out at 1.2 bar, i think you can run them higher but it means scaling the map up and running richer throughout the rest of the map which is a bit of a bodge.
 
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