I needed an easy and inexpensive, tach solution for the BenzForcy dyno car's AEM CAN22 setup on the om617. Most solutions require calibration or the use of a specific gauge. Tiny-Tach checked all of our boxes.

This video walks through the installation. Around the 5 minute mark, I mention painting the Tiny-Tach to avoid shorting it out. What was meant was that the paint should stop corrosion and dirt that may degrade the ability of the transducer to pick up the signal. Simply cleaning the fuel line if that happens is an option too; there is no electrical "short"

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