Procedures for “breaking in” new, remanufactured or rebuilt engines are evolving. Standard procedure in past decades was to use break-in oil in a “new” engine for the first 100 hours. During that time ...

Properly breaking in a new vehicle isn’t as straight forward as getting in, starting it up, and peeling off the lot. For most vehicles, especially those powered by internal combustion engines, certain ...

Everyone seems to have their own theory for engine break-in procedures these days, but sometimes sticking to the old-fashioned way of doing things is the best. "Getting a new engine is a wonderful ...

Modern engines leave the factory far tighter and cleaner than they did a generation ago, but the first few hundred miles you put on a new car still shape how that powertrain feels years later. The ...