In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

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, ...

If you've decided that you can get at your spark plugs without damaging your vehicle, assemble what you need before you begin. To buy the proper spark plugs for your vehicle, you must know its ...

Spark plug gapping may sound like one of those old-timey chores, like setting breaker points in a distributor or lubricating the frame, but having the proper spark plugs and ensuring they're properly ...

In the past, car parts used to be rather finicky. You had to occasionally adjust the carburetor to ensure your car was getting the right amount of fuel. You had to check the coolant every season to ...

If you’re like me and you’re unconvinced that hydraulic lifters exist, you’ve probably got a set or 10 of feeler gauges stuffed in the top drawer of your toolbox: you know, the place where you keep ...

DEAR CAR TALK: I just changed the spark plugs and the coil bar on my 2014 Chevy Sonic. The engine starts but won't go over 3,000 rpms. Did I do something incorrectly? - Max RAY: I'm going to put my ...