An engine relies on two things to run: spark and fuel. Sure, there are a million other things to consider when speaking of engine operation and power, but regardless of the type, size, or brand of ...

For any engine to reach its maximum potential, the fuel must burn efficiently. Running rich or lean is not good for performance, and in extreme cases it can be catastrophic. A rich engine is likely to ...

The Roadgear Digital Programmable motorcycle tire air pressure gauge is designed specifically for motorcycles. It stores the recommended pressures for one pair of tires. But as is the case with any ...

It's important to check your tire pressure regularly. Here are our picks for best tire pressure gauges, from digital to analog. I love two-seater, RWD convertibles and own a 2004 Mazdaspeed Miata for ...

The Evil Gadgeteer within me could not resist when it saw the ad for this Sears Craftsman Digital Tire Gauge in the Craftsman Club tool catalog. What was the hook? The ad copy beckoned me with the ...

There are some things that just never seem to go out of style with hot rods: five-spokes, three-two's, and analog (mechanical) gauges. But in an era that's nearly consumed by electronics, mechanical ...

Which type of refrigeration manifold gauge do you commonly use — digital or mechanical? Each type has its advantages and disadvantages. Newer digital manifolds have a lot to offer and can make ...