Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...

SAE Transactions, Vol. 100, Section 4: JOURNAL OF FUELS & LUBRICANTS (1991), pp. 681-686 (6 pages) A method for non-intrusive measurement of spark plug fouling, burn quality, pre-ignition and spark ...

The Ancel Spark Plug Tester is 35% off at Amazon, but the sale ends soon. Put your car’s spark plugs to the test by ordering ...

It's springtime! Time to start working on your project car, learn a new wrenching skill, discover what everything is under the hood (and how it works), or just spruce up your daily driver. All month, ...

A battery in a traditional car cannot directly create engine spark. It’s only rated at 12 volts, after all, so it needs a little help boosting the signal to the spark plugs. To make that happen, a car ...

An average car dies many deaths, but with the right owner, it can always live to drive another day. When something fails, a DIY diagnosis and fix can save money and eliminate the inconveniences of ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

Harman has launched Spark, a dongle that connects to a vehicle's OBD II sensor to provide both diagnostic data and in-car 4G LTE access. Spark is being offered exclusively in the US by AT&T, which ...