Safc And Hi Flow Turbo

[Astro Bear]

Hi guys,

I've got the usual 'stage 1' mods on my r33 gts-t as well as an SAFC 2.

Thinking about hi-flowing the stock turbo, but i'm worried that the SAFC might not be enough.

In its current state, the car makes 170kw, and i'm aiming for the low 200kw area.

Will the SAFC be up to teh task? Or should I ditch it for a remap or PFC? Preferably not a PFC ($ etc)

What are your expert thoughts?

[Harey]

First thing would be to list the mods you currently have.

You should be able to get close to 200rwkw without a hiflowed turbo. That would be where i would start. The safc is definitely fine for that.

http://www.skyline-owners-club.com/forums/...ning-guide.html

[VB-]

IMO, biggest problem with the safc is people not understanding that it also has an effect on ignition timing. as long as you find someone who knows how to tune it you should be fine. that said, with the price of nistune computers these days, i wouldnt waste my money on an safc

[Astro Bear]

My list of mods is basically as follows:

Front mount cooler

Hdi Ebc-R set at 12 psi

3" turbo back exhaust

Apexi SAFC

Exhaust cam gear (not dialed in as yet)

Dynoed at 170kw. Only got a gain of 10kw from the SAFC up from a previous 160kw.

Definitely not the gain I was after, especially given i've heard bigger gains being had on this forum.

[RB25PWR]

Power does seem a bit on the low side. Mine just ran 162rwkw with only a 3.5" apexi cat-back. Everything else 100% standard. Running only 8psi.

[R31Nismoid]

Honestly - tis a bad plan in my view

To make the most you would also need the igniton controller (S-ITC i think its called) installed to complement the S-AFC

By the time you put those two in, you can virtually have aftermarket management purchased... yes there are tuning costs still to go but it's not that bad overall.

This would lead to a car that overall will be signifigantly ahead of the S-AFC/S-ITC dual controller style setup in driveability, economy & overall map/power and functionality. It is also simpler - Once ECU, one plug, one job. Not multi wire cutting and so on.

S-AFC's have thier place, not arguing that.

In my opinion that is only for the factory turbo for someone looking for some gains, cheaply without the expense of aftermarket management.

However as soon as you upgrade turbo - because lets face it, that means AFM and usually injectors as well - then its time you also pony up for some better management rather than signal benders like the S-AFC/ITC and so on.

[JonnoHR31]

First thing would be to list the mods you currently have.

You should be able to get close to 200rwkw without a hiflowed turbo. That would be where i would start. The safc is definitely fine for that.

http://www.skyline-owners-club.com/forums/...ning-guide.html

standard turbos wont make 200rwkw on all cars and all dynos.

best option would be a nistuned z32 ecu