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 ...

The phrase “Do it right or do it again” seems created from the process of installing and breaking in a new flat tappet valvetrain. Over the years we’ve certainly seen it done wrong, and brand-new ...

The Chevrolet Corvette Z06 has a killer atmospheric engine, but it needs to be properly broken in to deliver its full performance. Although the instructions are in the owner’s manual, Chevrolet ...

Properly breaking in a new vehicle isn’t as simple as getting in and driving off the lot. In most cases, certain limitations must be respected in order to avoid damaging a vehicle’s systems and ...

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 ...

We may receive a commission on purchases made from links. While technology has made life more complicated than ever, it's also arguably better in many regards. So too is the case for engine building, ...

I obsessed over the engine break-in period when I got my first new car back in 2000. The owner's manual said to avoid hard acceleration and braking for the first 1,000 miles, and it all had to do with ...

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 ...

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 ...