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Power Fc or EMS ? What are your reasons?

Amadeo

By Amadeo,
in General Automotive Discussion

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Amadeo Community Regular

Amadeo

Posted
Posted

Had my 34 gt-t converted to manual and i now am in the market for an afm ecu but i'm not sure of what to get. I've been told to ask around for opinions on the contrasts between the power fc and the ems. Which do you think is better out of the two and which has more potential for future mods and tuning? I've been told to go EMS as there are alot of workshops that can tune it and as for the power fc there are not much out there who know how to fully tune the power fc to its full potential except maybe for Croydon (Sydney) but their rates are way to much for my pocket. And whats this about EMS not requiring an air flow metre where as the power fc does?

So which should i go for?

Thanks guys.

spx25t Community Regular

spx25t

Posted
Posted

I have a EMS running my 25 and it goes really well the Air flow meter has been removed due to EMS running a map sensor. ad V+E rigoli tuned it not to long ago and it cost me only a pittance less then $300.

originally the car was running with the ems piggybacked into the standard comp now it is operating by itself

DAN00H Mentor

DAN00H

Posted
Posted
Who would you recommend in Sydney besides Croydon DAN00H? I've heard about HITMAN.....

there is someone that SK uses that is reputed to be very good.

I have not had positive feedback on Unique. One of my mates has a 300zx that he gets tunes at a place close to unique. I'll find out who it is.

paulr33 Grand Master

paulr33

Posted
Posted

the afm is no big deal and it will make sure you car idles well and runs well and has good response. removing the afm and chaging to map sensor and youll loose some of those niceness factors. the afm is the more accurate way to measure air input vs the map sensor. the power fc djetro lets you remove the afm and change to map sensor (if you insist on removing it) but for a rb25 id say stick with afm and just change to a bigger higher resolution one

ask some tuners what ecu they prefer. cars are capable of 1000hp+ with twin q45 afms so the age old argument i cant get over 500hp with airflow meters is not true. most people just think it wont make more power cos of the input size of the afm. the q45 is 90mm and rb25 is 80mm. the z32 is 80mm but has higher resolution so its a good upgrade for a mild rb25 maxing out its stocker 80mm afm. is the ems direct swap in? can you rip out stock ecu, put in ems and start the car and drive it around? how much is ems? how much to tune ems? is it closed loop and will it use feedback from the oxygen sensor?

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