Lc-1 narrowband simulation with Safc2 question

[blasterracer817]

So I bought some used parts from a local guy and he threw in an safc2 and pink top evo injectors for an extra 50 bucks since he don't understand it. I'm going to use them for the meantime with the 14b I also picked up from him. My question is will the safc2 run and tune closed loop with the lc-1 doing narrowband simulation in the front o2 location? I read that the safc2 uses o2 voltage to help with a/f ratios so I wasn't sure if the simulation from the lc-1 would help. If it wouldn't work like that could I use the lc-1's narrowband simulation to simulate the rear o2 so I don't get a check engine light? If so how would I wire the lc-1 into the edu for rear simulation and logging? I'm catless by the way. Thanks in advance.

 

[Tanro]

For what it's worth, I wouldn't bother wasting my time installing the safc or 550s. The 14b will be fine even if you want to crank it up to 15 psi on 450s. But both the safc and 550s are equally worthless without a way to data log.

Please do yourself a favor, and wait until you have either a h8/evo/3g ecu and ecu flash, or DSM Link to tune with to install the injectors. Those evo injectors will let you push that 14b to its limit. But I wouldn't even try to push it past 15, maybe 16 psi without a tuning solution that allows for data logging.

The main reason being, you have no idea what your knock count would be, the second reason being that you have no idea what timing looks like, and the ecu bases timing off the airflow reported to the ecu and your ecu is being lied to by the safc, just a little bit lean, with a little bit too much timing (you can't control with a safc) and you are gonna be building an engine which is gonna cost around 3x dsm link, and 5-6 times what a ecu flash setup would run. These cars have some of the best and cheapest standalone engine management options out there. What we have is so good, and so cheap that others go out of their way to adapt our stuff to run their engines(Volvo, Miata, even honduh guys convert their engines to work with ecm link) , why turn your back on it.

As far as wiring the lc1 into the ecu for simulation.

http://www.dsmtuners.com/threads/2g-turbo-ecu-pinout-w-wire-colors.281763/

Match the narrowband output wire to the input pin on the ecu.
75- rear
76- front

I have mine setup to log from the rear o2 input, and narrow band is simulated on my front o2 pin. I have the rear o2 code disabled in periphery bits in ecu flash, but you can disable the cel in link as well.

From what its worth, you got a steal on those injectors @ 50$ The evo injectors usually flow closer to 600cc than 560 that they claim.

 

[blasterracer817]

I forgot to add that I do have a logger, I realize I can't count knock but I can look at timing maps, airflow etc. I figure for free it wouldn't hurt to try. I plan on getting link soon, but have some other things to take care of first. Safc was one of the first tuning solutions for these cars so I don't see what itd hurt to run it. Obviously logging and watching the timing map for timing pull. I still want to run my front o2 for narrow band and keep cel's away until I get link to disable them. Just to make sure I'm understanding correctly if I solder they yellow wire of the lc-1 to pin75, it will simulate the narrowband for that o2 and not cause and cel's? Would I then solder the brown wire of the lc-1 to pin76 and the white wire of the db gauge, and solder the white wire of the lc-1 inline of pin 92 for logging? I've read the thread linked below a ton of times, but there is no install for simulating the rear narrowband with datalogging db gauge non link.
http://www.dsmtuners.com/threads/innovate-lc-1-installation-options.421002/

 

[DSMPT]

So I bought some used parts from a local guy and he threw in an safc2 and pink top evo injectors for an extra 50 bucks since he don't understand it. I'm going to use them for the meantime with the 14b I also picked up from him. My question is will the safc2 run and tune closed loop with the lc-1 doing narrowband simulation in the front o2 location? I read that the safc2 uses o2 voltage to help with a/f ratios so I wasn't sure if the simulation from the lc-1 would help. If it wouldn't work like that could I use the lc-1's narrowband simulation to simulate the rear o2 so I don't get a check engine light? If so how would I wire the lc-1 into the edu for rear simulation and logging? I'm catless by the way. Thanks in advance.

SAFC2 is an useful device if you know how to use properly. SAFC2 is just an airflow signal converter with a display, works like the MAFT. And it's a good thing as the first step to learn tuning.
The SAFC2 does not use/affect O2 sensor voltage. what the SAFC2 affects directly is only the airflow signal. So you connect the 1V narrowband signal from your wideband device to the front O2 (pin #76) if you don't have the factory narrow band O2 sensor.

 

[blasterracer817]

Thanks for your help. I'll wire the lc-1 in the front o2 with narrowband simulation and gives it a try. I'm going to leave the 450's and t25 on for a while so I can get used to the safc before switching the the 14b and 550s.