KUDOSMaiwald and Parsnow Bring Home the Randy Dorton Memorial Trophy ANN ARBOR, MI (May 30, 2006) - The final round of the 2006 Clevite Engine Builder Showdown will go down as one of the most exciting and closest competitions in Showdown history. Held Tuesday, May 23, at the NASCAR Technical Institute in Mooresville, NC in front of more than 1,500 fans, Mike Maiwald and Shane Parsnow of Hendrick Motorsports made their third straight final round appearance and built against first-time Showdown participants Dennis Borem and Darrell Hoffman of Pro Motor Engineering.