Operating on a digital quartz movement, the ST200 Clubman Tachometer has zero needle waver and is maintenance free with guaranteed accuracy for life.

Replacing a nonworking tachometer in a '78-'93 Mustang is easy with basic hand tools.

Once you've purchased a new tachometer, thoroughly read the instruction manual. Then determine where you want to position the tach. Locating it on top of the dash may work on a race car, but it ...

We're glad you asked. Electronic Ignition Tach: How It Works In a Distributorless Ignition System (DIS), each coil is responsible for firing one or a pair of plugs, so they fire less frequently.