Home Teams H Horizon Motorsport Racing team Horizon Motorsport USA Entries Season Series / class Car Driver / pos. / races 2005 Grand-Am Sports Car Series, Class GT Pontiac GTO.R Paul Stubber1 of 14 races Pontiac GTO.R Mike Weinberg, 42.7 of 14 races Pontiac GTO.R Frank Del Vecchio, 48.6 of 14 races Pontiac GTO.R Todd Hanson, 58.4 of 14 races Pontiac GTO.R Kris Szekeres, 30.12 of 14 races Pontiac GTO.R Charles Espenlaub, 50.8 of 14 races Pontiac GTO.R Jeremy Treadway, 106.1 of 14 races Pontiac GTO.R Kurt Roehrig, 78.1 of 14 races Pontiac GTO.R John Baucom, 132.1 of 14 races Pontiac GTO.R Alfredo Villamil, 166.1 of 14 races 2004 Grand-Am Sports Car Series, Class GT Pontiac GTO.R Charles Espenlaub, 20.5 of 12 races Pontiac GTO.R Dale Quarterley, 83.2 of 12 races Pontiac GTO.R Jim Harrell1 of 12 races Pontiac GTO.R Frank Del Vecchio, 38.3 of 12 races Pontiac GTO.R Tim McKenzie, 40.1 of 12 races 2003 Grand-Am Sports Car Series, Class GT Ford Mustang GT Jim Harrell2 of 12 races Ford Mustang GT Zave Aberman, 28.2 of 12 races Ford Mustang GT John Shreiner, 53.1 of 12 races 1. Positions 1–6 and wins.
USA
USA