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Advise Needed Please - What Do I Go For?

CMY32

By CMY32,
in Victoria

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CMY32 Enthusiast

CMY32

Posted
Posted

Hello,

Please be patient cause I don't know too much about all this...

Getting confused between which fuel control to go for.....

Reading up about Power FC's and SAFC and AFC's etc and it's confused the crap out of me...

Which is the best one to go for to suit my RB25DET Neo motor.

Appreciated ;)

paulr33 Grand Master

paulr33

Posted
Posted

hello sandra

please read

"How does the PowerFC compare with the Apexi SAFC, AVCR and other Apexi computers?"

http://paulr33.skylinesaustralia.com/docs/...erfc-faq.htm#18

and

"Apexi SAFC vs Apexi PowerFC, whats the difference?"

http://paulr33.skylinesaustralia.com/docs/...erfc-faq.htm#58

the first section at the top titled unit information has every question you could think of

http://paulr33.skylinesaustralia.com/docs/...powerfc-faq.htm

Downforce Grand Master

Downforce

Posted
Posted

PowerFC = full replacement computer

SAFC = p!ggyback computer that works with standard computer

If all you want is to tune your air/fuel ratio to a safe level, the Apexi SAFC will suit your needs...

I'd recommend paying the extra for a full replacement computer, such as a PowerFC ;) It gives much more tuning ability.

adznight Newbie

adznight

Posted
Posted
PowerFC = full replacement computer

SAFC = p!ggyback computer that works with standard computer

If all you want is to tune your air/fuel ratio to a safe level, the Apexi SAFC will suit your needs...

I'd recommend paying the extra for a full replacement computer, such as a PowerFC ;) It gives much more tuning ability.

As would I :cool:

lukebaldan Collaborator

lukebaldan

Posted
Posted
If I run the Power FC, is the standard computer still plugged in too?

P.S. Don't laugh.....

No Power FC replaces the factory ecu.

If you don't plan on upgrading your turbo or other significant modifications, the SAFC will suit you fine. Tuning is cheap too.

CMY32 Enthusiast

CMY32

Posted
  • Author
Posted
No Power FC replaces the factory ecu.

If you don't plan on upgrading your turbo or other significant modifications, the SAFC will suit you fine. Tuning is cheap too.

So what runs the gearbox and all the other parts in the car if the standard ECU isn't used?

lukebaldan Collaborator

lukebaldan

Posted
Posted (edited)

A manual transmission has no electronic control. AT have there own independant system.

Power FC's are designed for manual transmission cars as there is a bit of trickery involved with the way an AT cars ecu behaves during shifts

The Power FC is a drop in replacement and retains factory functionality.

As other people have mentioned- nistune is a good way to go. Cheaper than power FC and uses the standard ECU with a p1ggyback board (Programmable EEPROM) to change fuel maps and ignition timing.

Beware that when you start considering something like nistune or power fc, tuning is expensive ~$600+

If you plan on keeping your neo relatively stock ~190rwkw go the SAFC, otherwise nistune it

Edited by lukebaldan
CMY32 Enthusiast

CMY32

Posted
  • Author
Posted
A manual transmission has no electronic control. AT have there own independant system.

Power FC's are designed for manual transmission cars as there is a bit of trickery involved with the way an AT cars ecu behaves during shifts

The Power FC is a drop in replacement and retains factory functionality

Ahhhh k, I see.........

Since mines an auto, what's the best option for me?

I've got a hi-stall too so I don't want it not shift properly.... ;)

lukebaldan Collaborator

lukebaldan

Posted
Posted (edited)
Ahhhh k, I see.........

Since mines an auto, what's the best option for me?

I've got a hi-stall too so I don't want it not shift properly.... ;)

Not sure how nistune copes with autos (Someone please confirm)

Definately takes the power fc out of the question

As i said:

-If you plan on keeping your car relatively stock (Boost, exhaust, intake) the SAFC is good cheap upgrade

-If you are chasing more performance (Upgrade turbo, etc.) Then the nistune will give you the best gains and future flexibility

Edited by lukebaldan
CMY32 Enthusiast

CMY32

Posted
  • Author
Posted

Thanks for telling me about this Nistune....

I guess a lot of peeps have this kind of issue.

All I want is my car to be street reliable, I've

got a bigger turbo, running some boost and a 2.2 hi-stall.....

It goes well now but I guess this is the next/last step.....

lukebaldan Collaborator

lukebaldan

Posted
Posted

Just looking through the forums and it seems a few people with autos have installed nistune with a high degree of success.

I would make 100% that it is safe, you don't want to put unnecessary load on your auto.

The fact that you have a bigger turbo and are planning on a few mods suggests that the nistune option is a winner provided you won't have issues with your auto

_Ryan_ Grand Master

_Ryan_

Posted
Posted

Adam, R33 are not compatible with NisTune without going to a Z32 ECU... R34 and R32 are.

Nistune fitted and Tuned at Status is 750 going by what Trent said in a thread, best to call him and confirm, as prices could of changed.

Second hand SAFC 2 is what? 250, + wiring + tuning assuming 500ish for install and tune, then it is easily defected, where a NisTune isn't... Things starting to look a little different now?

SAFC: bends AFR's on a few points.

NisTune: AFR's, timing, limits etc can all be adjusted.

http://www.statustuning.com/

Also I think Chasers, Springy Motors etc do NisTune

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