Ever since the first race cars were built, it's been helpful for drivers to know their engine speed. It may sound obvious, but engine power is always a function of engine speed, so accurately knowing ...

Every Hot Rod should have a tachometer, and if yours didn't come with one you've got a ton of options. With a Benjamin as the budget, we decided to test seven models from Summit Racing to see how ...

The SE-1100 noncontact engine tachometer features an ignitionspark-detection method that makes it safe and easy to use. The handheld tach weighs about 110 gm including batteries. Rpm updates every ...

(iSeeCars) — The automotive world has a language all its own, including a wide array of acronyms representing a similarly wide array of technical features and characterizations. In the case of “RPM”, ...