View post: Amazon’s ‘Sharp’ Cordless Hedge Trimmer Is Now 54% Off How often you need to replace the spark plugs depends on a variety of factors like the type of car you drive, how you drive it, and ...

A spark plug thread chaser isn't always the answer, but it can make a big difference when you're installing fresh new plugs.

Spark plug testers will only help you figure out issues related to spark plugs. Does that make them useless, or is there a ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

Almost every lawn mower owner has experienced the frustration of pulling the starter cord repeatedly only to have it sputter — or even worse, not start at all. While fuel issues, a dirty carburetor, ...

For the average stocker in good running condition, spark plug selection is a cinchchoose whatever brands on sale, look up the plug part number in the catalog, and go down the road. At the opposite ...