I currently use an Autometer wideband that is hardwired into my car. I am happy with it, but I need to get another one to use for tuning friend's cars. I need something with an adapter for the cig lighter. I suppose I could wire an adapter onto any wideband, but I want to hear opinions.
I also will have to run the data wire to the AC sensor to log AFR. A gauge isn't really needed in this case. Suggestions?