Few powerplant-related subjects are more controversial than the best procedure for breaking-in a new or freshly-overhauled engine. Ask a dozen A&Ps and you'll get a dozen different recommendations. John Frank explains the principles behind proper break-in, and provides a proven step-by-step technique for achieving good ring seating every time.
By John Frank
, This article first appeared in CESSNA PILOTS ASSOCIATION MAGAZINE and is reprinted here by permission. | June 16, 1996