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Discussion Starter · #1 ·
As stated what are the pros & cons of AFM based ECUs & MAP sensor based ECUs?

I have put a RB25 with a few mods in my R32 & am currently deciding what ECU I want to go with...
I am mainly looking at either an Apexi Power FC or a Haltech unit.

While the Power FC is cheaper, I will still need to purchase a Z32 AFM & EBC,
while with the Haltech it uses a MAP sensor (so no more AFM) & has inbuilt closed-loop boost control.
The Haltech is more expensive but by the time I buy the extra parts for the PFC I will be getting close to spending the same money...
 

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The Power FC can control your boost too. There is a boost control kit available for it. I would always prefer an external boost controler though personally.
 

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MAP all the way, 'can' be far more accurate. no longer have problems with vent to atmosphere valves. less restriction pre turbo. less chance of incorrect readings due to dirt/.oil. on and on. i would say go haltech, and as for boost control. get a profec b II its a great boost controller :)
 

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Go Motec with full closed loop lambda, you wont beat it.
 
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