APEXi SAFC 2

[richieelliott]

worth getting or not? what does it do and how do you set it up and is anyone running one? i currently have an hks evc 5 will it runn with oooh im so ignorant x bda sounds like the bloke to answer this riddle

[zentac]

the safc allows you modify the fuel map the VR4 runs way too rich.... so by leaning it out you can get quite a bit more power. You will also need a wide band lanbda to map it properly or take it to a tuner to do.

[valmes]

the safc allows you modify the fuel map the VR4 runs way too rich.... so by leaning it out you can get quite a bit more power. You will also need a wide band lanbda to map it properly or take it to a tuner to do.

It lets you modify the MAF signal that ECU can see... and the only problem with modifying your MAF signal is that it also affects ignition...

[richieelliott]

sounds interesting worth doing?

[valmes]

It is a good unit.

Some +
Simple;
Has a display to see adjustments in real time (no need for laptop);
Has ability to monitor knock sensor;

Some -
Simple;
You can only adjust fuel by adjusting MAF signals... cant pulse injectors directly;
Can't deal with anything besides that...

So it's up to you.

[ako]

End result = its ten times better than doing nothing at all! The VR4 is massively overfuelled to start with, so theres plenty of gains to be had, plus its a rough way of raising the fuel/boost/airflow cut point as well