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Apexi Afc Neo Install Into Rs-4s Series 2

Hanso

By Hanso,
in Four Door Family & Wagoneers

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Hanso Experienced

Hanso

Posted
Posted

I've bought an Apexi AFC Neo off a forum member, and have the manuals from the Apexi website. I also ordered an Apexi ECU Harness from Nengun so I don't cut into the original ECU Harness.

My question is, has anyone on here installed one of these before? If you have, please let me know how it went, what to do etc.

Cheers,

Adam

pipster11 Grand Master

pipster11

Posted
Posted

if you bought the harness then its should plug straight up

you may need to set the afm type tho, should be easy enough to find the info tho

the neo may even just have a menu and you tell it what motor (not sure, just a guess)

i put an old school safc on my r32, it reads the afm voltage then adjusts it up or down a percentage - your best to do this on a dyno but you can probably pull a few % of fuel out up the rpm range

or grab a wideband and get it up the exhaust and tune it yourself

d1_drifter Community Regular

d1_drifter

Posted
Posted

As Tom said, it should plug straight up!

In the settings menu, set the 'Type' as hotwire and engine as 6 cylinder.

Also make sure it is all set at 0 correction before you start your car :huh:

horrace Rising Star

horrace

Posted
Posted

I think the harness he means is like an extension the harness itself get cut and not your ogigional car harness. If I were you and had a series 2 I would sell it save a few hundred more and get a nitune! Much better onption way more tunability.

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

The advantage of the harness is that you can do the soldering on a bench and then just plug it in. You will need the pinout chart from the DIY section (although there is probably a basic pinout with the instructions). You can play with it yourself but really it needs to be tuned on a dyno or you could damage your engine.

Really you would be better off with a Nistune chip and sell the SAFC to someone with a S1 or M35 (i.e. someone who can't use a nistune chip).

Hanso Experienced

Hanso

Posted
  • Author
Posted

I'm more looking to use the SAFC to get better fuel economy, by leaning out the Air/Fuel ratio for daily driving. And thaat way I can increase it for the track. I did think of the Nistune, but I can't really justify it for what they cost. The AFC Neo I bought cost me $250, the harness was just under $200. I bought the harness as I learnt the hard way about splicing devices into my S13 ECU harness and messing it up.

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted
I'm more looking to use the SAFC to get better fuel economy, by leaning out the Air/Fuel ratio for daily driving. And thaat way I can increase it for the track. I did think of the Nistune, but I can't really justify it for what they cost. The AFC Neo I bought cost me $250, the harness was just under $200. I bought the harness as I learnt the hard way about splicing devices into my S13 ECU harness and messing it up.
You have spent $450. Nistune is about $500 including software but for the extra $50 you can set the afrs much more precisely, set timing across the range, get rid of the speed cut etc etc. In either case you need to get a proper tune, preferably on a dyno. I had a SAFC and SITC as well as a wide band meter and played with it myself but couldn't get the same results as a good tuner on a dyno. I got better results with a chipped ecu (sadly not a Nistune as I have a S1 stagea).

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