This month’s Tappet Clatter has a special Month of May Tappet Trivia that features questions about the Indianapolis 500. Also featured is Part II of the Iceberg in Motorsports reporting on the unseen preparation an IndyCar receives before the start of the race. The Membership Committee reports on three new Volunteers. Also a report on the April Members Meeting. Since April is the start of a new term for the Volunteer Board of Directors, we present a short biography and picture of each Board Member. Part III of Lucy O’Reilly Schell story concludes the story of this amazing woman. Brian Lanoway’s timely history of the Porsche 906- 125 appears just in time for the car to return to the museum floor. Tappet Tech explains the Hybrid automobile.