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Monitoring critical engine data

 
The stock head unit is removed and replaced with a small single board amplifier. I used the free space to mount a 8 inch tablet running Microsoft Windows. By using a HP Tuners OBDII-adapter and the VCM Scanner application, I can monitor engine data which is critical during track days.

The gauges turn red when any values are below/above defined thresholds, e.g. oil temperature above 130°C (266°F) or oil pressure below 20 psi. That way only a quick glance is required to make sure that there are no issues, which I typically do on a long straight on the track.