D Sports Racing

Mark Jaremko, 4 time DSR National Champion in his Stohr WF1

D Sports Racing now known as Prototype 2 is a sports prototype racecar class for road racing by the Sports Car Club of America. It has been called the one racing category that remains unfettered by regulations that have throttled innovation elsewhere in motorsport.[1]

Usually known simply as DSR, the class began in 1968. DSR evolved from the SCCA's older H Modified class, which traces its roots back to the early 1950s. Today's DSR cars normally use a 1000cc four cylinder engine sourced from a Japanese motorcycle. Several other engines are allowed.[2]

DSR's generally weigh under 1000 lbs with the driver and make 200 bhp at 13,000rpm. The relatively low cost of the engines and some new chassis manufacturers led to an explosion in growth of the class between the years 2000 and 2008.[3] DSR's were the fastest class at the SCCA National Championship races in 2008.

Manufacturers

Tim Day Jr. in a Suzuki Hayabusa powered Stohr WF1 at the SCCA Runoffs in Protoype 2.
  • A-Mac
  • Cheetah
  • Diasio
  • Dragon
  • Galmer
  • LSR Prince
  • Radical
  • Speads
  • Stohr Cars
  • West Race Cars

SCCA National Championship Runoffs

Year Winner Car Engine
1966 United States Ed Luke Lotus Chevrolet
1967 United States Wayne Koch Koch
1968 United States Fred Plotkin Abarth Special
1969 United States Eric Kerman Arachnid Honda
1970 United States Marvin Thomson Bobsy-Imp
1971 United States Harry Stephenson Maru Honda
1972 United States Harry Stephenson Maru Honda
1973 United States Ronald Dennis Ocelot Suzuki
1974 United States Bob Marshall Quasar Suzuki
1975 United States Kendall Noah Ocelot Mk.A Suzuki
1976 United States Jeff Miller Wynnfurst Kohler
1977 United States Jeff Miller Wynnfurst Kohler
1978 United States Dave Leeson LeGrand Mk.18 Kohler
1979 United States Dave Leeson LeGrand Mk.18 Kohler
1980 United States Jerry Smith LeGrand Mk.25 Kohler
1981 United States Jeff Miller Lola T540 Kohler
1982 United States Paul Decker LeGrand Mk.18 Suzuki
1983 United States Jeff Miller Wynnfurst Kohler
1984 United States Thomas Jagemann Lola Kohler
1985 United States Paul Decker Decker Mk.1/2
1986 United States Paul Decker Decker Mk.1
1987 United States Paul Decker Decker Mk.1
1988 United States Al Beasley Sr. Bease-Decker Mk.II
1989 United States Travis Duder McCann
1990 United States Michael Reupert Lola
1991 United States Travis Duder Crossle Nissan
1992 United States Travis Duder Crossle Nissan
1993 United States Travis Duder Crossle Nissan
1994 United States David Kaiser LeGrand Mk.25D
1995 United States David Kaiser LeGrand Mk.25D
1996 United States David Kaiser LeGrand Mk.25D
1997 United States Michael Reupert Lola
1998 United States Travis Duder Cheetah SR-1
1999 United States Bruce Sunseri Cheetah SR-1
2000 United States Al Beasley Jr. BeaseDecker Mk.1
2001 United States Marc Hoover Cheetah Mazda
2002 United States Mark Jaremko Stohr 03D
2003 United States Mark Jaremko Stohr 03D
2004 United States John Hill Stohr
2005 United States Mark Jaremko Stohr WF1
2006 United States Mark Jaremko Stohr WF1
2007 United States J.R. Osborne Stohr WF1
2008 United States J.R. Osborne Stohr WF1
2009 United States Garry Crook Stohr WF1 Suzuki
2010 United States Lawrence Loshak Stohr WF1 Suzuki
2011 United States Tom Bootz Stohr WF1 Suzuki
2012 United States Scott Tucker West WX10 Suzuki
2013 United States Chris Farrell Stohr WF1 Suzuki
Prototype 2
2014 United States Fabian Okonski Stohr 01D Suzuki
2015 United States Chris Farrell Stohr WF1 Suzuki
2016 United States Jeff Shafer Stohr WF1 Suzuki
2017 United States Jeff Shafer Stohr WF1 Suzuki
2018 United States Tim Day Jr. Stohr WF1 Suzuki
2019 United States Tray Ayres Van Diemen RF00 Mazda
2020 United States Greg Gyann Stohr WF1 Suzuki
2021 United States Tim Day Jr. Stohr WF1 Suzuki
2022 United States Greg Gyann Stohr WF1 Suzuki
2023 United States Lucian Pancea Stohr WF1 Suzuki

References

  1. ^ RaceCar Engineering magazine, February 2005, p.58
  2. ^ SCCA Rulebook
  3. ^ SportsCar magazine, October 2002, p.22