Innovate LM-1 wide band setup. It records my AFR and with the Auxbox added it also records my RPM, Boost, EGT's and Gforce during every run.





So after I can look at all of the data recorded during the run which looks like this.

This graph is just of AFR, RPM and Gforce.

 

Im around 133k Miles and I just recently had clutch replaced at around 120K or so. The owner before me pushed his car pretty hard