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 ...

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 ...

New or overhauled aircraft piston engines require a specific break-in procedure to properly seat piston rings, ensuring engine longevity and preventing future issues. The break-in process demands ...

Break-in oil is designed for a very specific stage in an engine's life: the first hours of operation after a rebuild or when a new engine is being seated. The best regular motor oil is meant for ...

Testing the capabilities and performance of a new car, truck, or SUV might sound tempting, especially when that new car smell entices the senses to drive hard. However, there's a thing called the ...

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 ...