A running toilet isn’t just a nuisance; it’s a major waste of water. That constant hissing noise you're hearing means that excess water is leaking from the toilet tank into the bowl, and your utility ...

[Bob] built this simple device that can best be described as an electronic float valve. He was wasting a lot of water from overflowing water troughs and buckets around his farm. He would usually put ...

[Billy] has a special interest in passive hydroponics (also known as the Kratky method), which is a way of growing plants in nutrient-rich water that does not circulate. As the plant grows and liquid ...

For many years camshaft technology was limited not by any lack of knowledge on the part of lobe profilers but by valvespring technology that just wasn't up to stabilizing aggressive lobe designs. But ...

Drivers of 2005-06 Buick Rendezvous and Terraza, Chevy Uplander and Pontiac Montana SV6 minivans with 3.5-liter V6 engines may come into your store with a complaint of a stumble or hesitation at ...

Bruiser ("Ground & Pound," October '09) seemed well at home in the upper rpm. A closer look revealed a less-than satisfactory issue with valve float and subsequently a loss in power. It's been known ...

There was once a time when Desmodromic valve technology was cutting edge and a necessary competitive advantage for Ducati in racing. The Desmo head doesn't use a valve spring to return the valve to ...