A PWM is very similar in nature to a square wave signal. When viewed on an oscilloscope, both PWM and square waveforms look similar.

Practitioners of the mechanical healing arts have been compared to doctors and surgeons. There are similarities, to be sure.

Prudent owners of these vehicles eventually opted for a total upgrade of the timing chain and sprockets to a double row configuration.

The tests were fast and simple (most taking less than one minute), and didn’t require the use of any space age technology.