Question: A friend of mine took her Saturn to a mechanic because the car was running a bit rough and the road noise was loud. He examined the car and told her that the dealership had improperly ...

Q: What is a directional tire? How can I tell if a tire is directional? How does this differ from a unidirectional tire? What are the benefits? Ying Mak A: Directional, also called unidirectional ...