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 ...

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 ...

You may be inclined to drive a brand-new car just like the one you’re replacing it with. However, there are some steps you should take to ensure that its heart—the engine—will live a long and reliable ...