Originally Posted by mrphotoman
Do you have a wideband on your car?
What datalogger do you use? I have the elmscan 5 usb and love it.
My friend owns Dr Mikes Transmissions, he used a Genisys SPX something with a 6x4 view screen he was monitoring fuel pressure, rate and temps along with afr, then switched to tranny shaft output speed compared to speedometer speed. I was driving why he looked over the data screens.