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 ...

Yeah, it might be a nerdy gearhead thing, but as enthusiasts we want a lot of information about what our cars are doing. Unfortunately, the manufacturers don't quite see it our way, so cars are ...

Classic Delco distributors are among the most rugged domestic distributors ever done. We’re rebuilding a cast-iron tach-drive distributor from a small-block Chevy. However, this tutorial applies to ...

We all have projects from yesteryear that we wish had been documented better. [EjaadTech] is fighting back by creating a project page about a tachometer he built 3 years ago while in college. He’s ...

Featuring Sunpro's new 5-inch Super Tach III, the value pack includes a Sunpro Custom Line triple gauge kit. Sunpro's Super Tach III is the successor to the Sun Super Tach II(r) - largely popular in ...

Many CPU-usage widgets have stylistically borrowed from vehicles, displaying something mimicking the tachometer found in the dashboard. [Pat] took it a step further and tried his hand at re-borrowing ...