Breaking in a new or overhauled piston engine is essential for properly seating piston rings, demanding meticulous planning, detailed inspections, and pre-determined emergency abort procedures for ...

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 ...

From Hercules to Bigfoot, the world loves a myth, and autodom has its fair share. We've even compiled some of the dumbest car myths that readers have heard. Spoiler alert: a car engine's break-in ...

There's a certain kind of anxiety that comes with driving a brand-new ICE car. Thanks to the break-in period, people tend to drive with more restraint than they normally would. That's fair enough, but ...