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.

If you're replacing the engine in an older car, you might turn up some that are labeled as remanufactured and others that say ...

The engine break-in period is a critical phase in your engine’s life, but what exactly does it mean, and is it really necessary? In this video, we dive into how the engine break-in process works, why ...

The process is far more intricate for remanufactured engines, though, with the auto tech tearing each engine down and restoring it as close as possible to its original factory standards.

Before you send that atmospheric V8 up to its 8,600-rpm redline, the 2023 Corvette Z06 requires a brief engine break-in, as detailed in the following video.