You would think that with all the resources that automakers have at their disposal, the products they build would be immune from peculiar failures. That this is not the case is no news to anyone in ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

In this video I am fixing stripped spark plug threads using a kit from Time Sert. This is a high quality repair that uses a unique insert that locks into the cylinder head from the top and bottom usin ...

Selling spark plugs for modern vehicles can be a demanding experience for today’s parts professionals. Not only have spark plug designs changed, the ignition systems that create the spark have changed ...