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[edit]

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[edit]

Year | Winner | Car | Engine

|
|
|

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

## References[edit]

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

## External links[edit]

* Sports Car Club of America
* Sports Racer Network