I just thought you guys might like to see some wideband graphs. I was clearly running pig rich and this was with an S-FMU and Cobra 400cc injectors with a Super 20G. I recorded them right before I started the Accel DFI install. I have black soot covering my rear bumper from running this rich. Leaning it out definitely would have helped power output and idle quality.

PIC 1 - Accelerating from 1st through 4th -


PIC 2 - Long third gear pull in boost -


PIC 3 - Cruising at 55 MPH in 5th gear -

its good to see you're rich as fuck :thumbsup

The strange thing is that my average A/F ratio was 11.7 with the T3 turbo setup I used to run. I put on a S20G and 3" exhaust and the A/F ratio dropped to 10.3 without changing the S-FMU settings. Interesting indeed.

did you send the sfmu and the injectors out yet?

You should PM me about personal stuff instead of hijacking the thread. But yeah bro, it'll be at your door on Thursday.

Yeah before i got my AEM wideband, i was around the same A/F ratio, then got some good power gained just by going to 11.0:1. I know a lot of people suggest to run around 11.5:1, but i'll be dammed as the motor loves the fuel..Plugs look a darker tan color, and 15psi feels great on the S16G. EGT's are a bit high on a very long pull, around 1575-1580, but really thats pretty optimum when you are making most power. IMO, i wouldn't call 10.3:1 pig rich, but its def on the rich side of where you need to be at. Until i get on the dyno, i'm keeping my fuel at 11.0:1.

hey matt how much timing does your car pull at WOT?

sorry about that doug, i was just in the post and figured i would put it there, didn't mean to hijack.

Originally posted by turbo8u
hey matt how much timing does your car pull at WOT?

Once i hit WOT, starts at 17, quickly drops to around 13, then steadily increases to a max of 20 degrees at around 5700 rpm up to 6125..not sure after that since i didnt log it farther..it may go down, or it may go up from there to redline.not sure though. Why do you ask? Just curious :)