The 2007 MAHLE Clevite Engine Builder Showdown proved to be one of the most competitive and exciting Showdown since its debut in 2000. A record 19 teams from 10 of the best known NASCAR engine shops registered to take part in the competition. The Engine builder Showdown is a tiered four-round competition for professional engine builders who assemble special performance engines for NASCAR® teams. Participating teams - two engine builders per team - vie to build and successfully run a NEXTEL® Cup 357-cubic-inch Ford Engine in the shortest time possible.

Winners of the 2007 Showdown, the Pro Motor Engines' team of Dennis Borem and Darrell Hoffman, were runners up in the 2006 Showdown. In the 2007 final round, they broke the all-time Showdown record with an engine-build time of 16 minutes and 25 seconds with no penalties. Borem and Hoffman went head-to-head with Kevin Webber and Scott Vester, of Hendrick Motorsports, who finished in second place with a build time of 17 minutes and 47 seconds with no penalties.

View the 2007 Showdown Tournament Bracket >>

Dennis Borem, a 2006 Showdown runner-up has been with Pro Motor Engineering for 22 years and has 25 years of experience in engine building. He worked on street cars while he was in high school and his interest in stock car and road racing has fueled his passion for building NASCAR engines. The second member of the Pro Motor Engineering team, Darrell Hoffman, is also back to test his skills. His interest in engine building began with racing dirt cars. Darrell has been at Pro Motor Engineering for 4 years and has a total of 20 years of engine building experience.

Kevin Webber, of Hendrick Motorsports, won the Engine Builder of the Year competition in 2004. His interest in engine building began in Indianapolis when he was a boy - his Dad took him to see races at the Indianapolis Motor Speedway. In his 25 years of engine building experience, along with NASCAR, Kevin also built engines for Indy and sprint cars. He has been with Hendrick Motorsports for 11 years.

Scott Vester, of Hendrick Motorsports, grew up in NASCAR country and has built race engines for late model, drag and motorcycle road racing. He has been building NASCAR engines for two years and has been with Hendrick Motorsports for a total of eight years.