The stage 4 cal has modifications to the PEFTBL that assumes you have a mildly ported head. So, if you don't, it will run richer.
Maybe start by comparing to a stock cal, and resetting the PEFTBL...
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The stage 4 cal has modifications to the PEFTBL that assumes you have a mildly ported head. So, if you don't, it will run richer.
Maybe start by comparing to a stock cal, and resetting the PEFTBL...
I have done this using my own drag race data; and for a customer using dyno data. I can tell you, the dyno data is the best way. My drag race data was so limited, that I was only able to really tune...
Hmm, that shouldn't work. Or, I should say, usually doesn't work...
Unplug and replug the cable?
You don't have to send the AFR data to the ECU to log it. I've done the adjustment from data that came from a dyno datalogger (including an RPM tap and a separate MAP sensor).
By 'good' data, I...