The piston has to be a little smaller than the cylinder ... so the materials and coatings are different for those two rings. In the past, rings were made of cast gray iron or chrome-plated ...

A ny oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely ...

The recall population is split between the two ... piston ring issue arises, Kia will replace the engine. The automaker will also reimburse owners for repair expenses related to the recall that ...