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SAFC did wonders for me. Went from ~140rwkw @ 7psi to ~200rwkw on 8.5psi. For basic "stage-one" mods such as yours they're good to gain that little bit extra. I'm now going Nistune as the car is past what an SAFC can handle.

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I've got an SAFC II lying around that I used to have on my car. The unit is in PERFECT condition but I stripped back the wires to bare to which is how I spliced in into the stock R33 loom. You can have it for $180 + postage from Brisbane, I've even got the stand.

It was very handy when I had 10psi and R34 SMIC, 3" exhaust to prevent rich and retard section of the maps. But don't expect to be able to run 15psi and make 220rwkw. Nistune is a good option if you have a bit more $$$.

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IMHO, small mods like upping the boost, exhaust & fmic ra ra.. good investment to tidy up the air fuel ratios.

Even change from the stock airbox to a pod filter will affect air fuel ratios a bit, I find that running a pod in stock form makes the car run a tad richer (I've seen it with my own eyes on my old car, using an Innovate wideband O2).

If you're planning just to do simple mods, I see why not.

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Yeah that's it, just invest in a wideband o2 and use it to tidy up your A/F ratios.

If you ever need a hand, I can provide that service for a slab of beer, and if you want to get it dynoed with me tidying it up, there are few places that hire out dynos for $100 per hour.

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SAFC is basicaly a piggy back that allows u to change ur air fuel mix eg run more boost and not lean it out amongst other things. Best investment I have made is the PFC. Get a good tunable ecu. I gained 30rwkw from a boost increase to 10psi and a tune on a pretty stock setup, just exhaust FMIC and ecu. Then later when u want more u just add ur mods and retune. Find a good tuner your happy with. See what the tuner does best for your car and do your ur research. Purchase. Tune. Happy Days. If your going to mod later why buy a SAFC to tune then an ecu to tune. Its just an extra expense that you will sell off.

Edited by FordyR31
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not sure im convinced with "waste of money" or "does nothing"

it has limitations and isnt the be all and end all but if you can get one cheap and can get some cheap tuning time you can net yourself some good gains basically everywhere in the RPM range

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if anybody else has one coming up for sale can you please let me know? interested as i have similar mods makin around 190rwkw and am not looking for massive gains just a bit of options when it came to tuning. not looking for pfc or nisstu thanks!

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if anybody else has one coming up for sale can you please let me know? interested as i have similar mods makin around 190rwkw and am not looking for massive gains just a bit of options when it came to tuning. not looking for pfc or nisstu thanks!

Here's one:

http://www.trademe.c...n-507453930.htm

and a bunch more from $90 to $500

http://www.ebay.com.au/sch/i.html?_trksid=p3907.m570.l1313&_nkw=SAFC&_sacat=0

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SAFC's are fine for mild mods, they aren't as shit as people think. If you're on a budget they go ok.

Exactly true, great for tidying up a/f ratios. Back in the days when I was a broke uni student, the best I could afford was a SAFC. I borrowed a wideband O2, and cleaned up my a/f ratio.

Don't worry about those keyboard warriors, for simple mods on your car, a SAFC is great.

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