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.

Breaking in a car's engine properly can save you lots of headaches down the road. But how to break it in can vary widely depending on what you're driving.

Performing a break-in procedure on an engine before it is placed between the fenderwells is money well spent. In addition to avoiding the headaches of multiple installs and removals, it serves ...

How to break in your new car's engine Cars Auto Tech Break your engine in the right way Or pay a hidden, steep price for your new car later.

We rebuilt two used Honda CB300F engines with new top-end parts and broke them in differently over the course of 1,000 miles. Then we compared the results.

Check out these eight essential engine break-in tips from Kit Car Magazine.

Our reader Zach sent in a link to MotoMan's suggested method for engine break-in, without hinting at the actual technique. My interest was piqued, so I headed on over, half-expecting the rantings ...