Here the first logfile of the camshaft revs during the drive to work.For engine revs multiply with 2.
Max is 6000 rpm at approx 75 mph.
Next to come is the speed sensor so that the relation engine revs vs speed can be printed.
The commute takes 2176 seconds in this case. Idle is at 1200 rpm
This are approx 20000 data points taken from the sensor on the camshaft.