Noobie first look

[hhorton]

Ok, I'm a newto tuning. I made several very similar passes at the track yesterday and attached is a log file. My car has some bolt-on stuff but nothing hard core. 00 M6 TA, Bassani Headers, Borla Exhaust, SLP MAF, K&N, Moser 12-Bolt w/4.10, G2 Intake, FJO WBAFR, Racetronix Walbro.

Anyway, the first thing that stands out at me is my IDC is maxing out over 90% at high RPM. I've been reading that injectors normally max out at 80% DC. I just want some feedback to tell me i'm correct in assuming I need to bump my stock injectors.

Beyond that, any comment about the datalog would be appreciated. I will be running a direct port wet kit soon (if I can ever get the electrical to work). I think my AFR is ok given it's a wet kit. Comments welcome.

[TFZ_Z06]

Ok, I'm a newto tuning. I made several very similar passes at the track yesterday and attached is a log file. My car has some bolt-on stuff but nothing hard core. 00 M6 TA, Bassani Headers, Borla Exhaust, SLP MAF, K&N, Moser 12-Bolt w/4.10, G2 Intake, FJO WBAFR, Racetronix Walbro.

Anyway, the first thing that stands out at me is my IDC is maxing out over 90% at high RPM. I've been reading that injectors normally max out at 80% DC. I just want some feedback to tell me i'm correct in assuming I need to bump my stock injectors.

Beyond that, any comment about the datalog would be appreciated. I will be running a direct port wet kit soon (if I can ever get the electrical to work). I think my AFR is ok given it's a wet kit. Comments welcome.

I don't see any idle/part throttle data in there, but the WOT data looks good. However, I question your wideband's data. You are showing high 12's A/F via wideband, yet your O2s indicate much richer. In fact, I would expect the A/F to actually be what is commanded, around 11.64:1 based on the o2 data.

Welcome to site.

[hhorton]

thanks for the comments.

Now i'm worried about my WBAFR calibration. How do I confirm it's accurate?

[TFZ_Z06]

thanks for the comments.

Now i'm worried about my WBAFR calibration. How do I confirm it's accurate?

- check the plugs and see how they look.
- use the scan exe's feature to select a bunch of points and average them.
the data should avg around 14.7:1 in closed loop.

BTW, your wideband may be dead on, but just giving my observation based on
past experiences.