Lucas Oil Engine Break-in Additive. A Dyno-mite way to ‘Break-in’ a new motor. Saul Vargas Writer Oct 14, 2013. See All 12 Photos. See All 12 Photos.

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.

New Engine Break-In: Pros & Cons. ... In my case, I took the car for routine oil changes and inspections for the first 500, 1,000, and 1,500 miles.