After swapping the engine out in his scooter, [James Stanley] made an unfortunate discovery. The speedometer was digitally controlled, and while the original engine had a sensor which would generate ...

If you've ever modified a car with smaller or larger tires or, perhaps, a different final-drive gear, you've immediately screwed up your speedometer. This is, of course, annoying, but for modern cars ...

Transmission speed sensors are vital automotive components, but they're not immune to wear and tear over time. Here's what ...

The basic formula for the job goes like this: New tire size divided by old tire size multiplied by speedometer reading equals actual mph. Not that difficult, but it only works for your head. Your ...

When six of the same type speedometer all stopped functioning, it meant teardown time to pinpoint the cause as well as come up with a remedy to get them back into working condition. I use bicycle ...

Modifying an older Pontiac is often like painting a house. The large surface areas go very quickly, and then you get mired in the trim and wood work. When swapping or upgrading components, they often ...

30 May 2007 MASHHAD -- Iranian technicians have managed to produce the Piezo electronic speedometer sensor. Akbar Amini, the manager heading the research team, said the sensor will be used to estimate ...

The wheels of a moving vehicle can move at different speeds, with some turning faster than others. This can cause a loss of steering control and compromise safety on the road. To mitigate this, speed ...

You should be proud of yourself. You just updated that 1969 Firebird from a leaking, old 326 and Powerglide to an LS3 and a fully-electronic 4L60E four-speed overdrive automatic. The Firebird now ...

While the minimalist design of the PocketLab G-Force reveals nothing about its smart features, this average-looking diecast toy car is,in fact, a cleverly engineered learning tool that boasts of ...