1969 MG Midget ($2012-2013 Challenge) – current
-Toyota/Lexus 2JZ-GE inline-six engine
-Holsett HX35 Turbocharger
-GM TH350 transmission
-MegaSquirt Engine Management System
-Solid Ford 8.8 axle w/ factory LSD
-Miata front suspension with custom frame rails
-Custom, adjustable three-link rear suspension
-Hayabusa coilovers with pushrod/rocker-arm actuation at all four corners
1992 Mazda Miata ($2007-2011 Challenge, UTCC) – current
-Toyota/Lexus 1UZ-FE V8 engine
-Eaton M90 supercharger
-MegaSquirt Engine Management System
-Uses E85 ethanol fuel
-Ford 8.8 differential w/ factory LSD
-Cut circle-track springs
-KYB AGX (rear) and Spec Miata (front) shocks
1984 BMW 325e ($2005-2008 Challenge)
-Super ETA Block, I-model Head
-K26 Turbocharger
-MegaSquirt Engine Management System
-Limited-slip differential
1985 Volkswagen GTI ($2004 Challenge)
-Upgraded springs, shocks, and fabricated anti-roll bar
-Upgraded clutch and Lightweight flywheel