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Radical North American Masters Championship

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Radical North American Masters Championship
CategoryRadical Sportscars
CountryUSA & Canada
RegionNorth America
Inaugural season2013
ConstructorsUnited Kingdom Radical Sportscars
Tyre suppliersKorea Hankook
Motorsport current event.svg Current season

The Radical North American Masters (AKA Radical Cup North America) is a one make sports cars motor racing series launched in 2013..[1][2]

Radical North America Masters cars[edit | edit source]

Announced in 2013[3], the North American Radical Masters series (nee Radical Cup) came to the USA as a sister series to the European equivalent. There are three classes in the North American Masters, the main "Masters" class featuring Radical SR8 and Radical RXC Spyders[4], are also two supersport classes for the Radical SR3 RS/RX, 1500CC & 1340CC.[5] The SR8 have the 2.7L RPE V8 Engine producing 430HP, with the SR3 featuring a tuned and stroked 1.5L Hayabusa engine producing 225HP.

Official Fuel: 100 octane ethanol-free gasoline provided by Gulf Racing Fuels[6]

Technical Regulations[edit | edit source]

The technical regulations for the Radical series are currently issued by Pirelli World Challenge under USAC[7]

Class Chassis Minimum Weights
Masters Class SR8 RX 800 kg / 1763 lbs
RXC Race Spyder V8 890 kg / 1962 lbs
RXC Race Spyder TT 1075 kg / 2370 lbs
RXC Turbo (GT3) 1160 kg / 2257 lbs
1500 & 1340 SR3 RS, RSX 700 kg / 1543 lbs
Class Car Engine Throttle Body (mm)
Masters Class SR8 RPE 2700cc RPX V8
Spyder RPE V8
Spyder EcoBoost TT 3500cc V6
RXC GT3 EcoBoost TT 3500cc V6
1500 Class SR3 RS Suzuki 1500cc Gen 1 42
SR3 RS Suzuki 1500cc Gen 2 42
SR3 RSX Suzuki 1500cc Gen 3 (Short Stroke) 45
SR3 RSX Suzuki 150cc Gen 4 45
1340 Class SR3 RS Suzuki 1340cc Gen 2 42
SR3 RSX Suzuki 1340cc Gen 2 42

Race weekend[edit | edit source]

The 2018 season sponsored by Blue Marble Cocktails takes place during Pirelli World Challenge[8] race weekends as three day events with 3 sprint races. Blue Marble Cocktails have joined the Radical European Masters as title sponsor. [5]

The Championship competes at many of America's finest circuits such as Laguna Seca, Road Atlanta, VIR, Watkins Glen, Utah Motorsports Campus in the USA and Mosport in Canada.

Tires & Compounds[edit | edit source]

For seasons 2013-2016 the standard tire for the series were Dunlop racing slicks.

SR3 2013-2015: Dunlop 392 (Medium)

SR3 2016: Dunlop 004 (Medium)

Masters/SR8 2013-2016: Dunlop 720 (Hard)

Masters/SR8 2017-2019: Hankook Slick (Front: 200/580R15 & Rear: 260/610R16)[9]

Dunlop Radical / SR3/SR4/SR8 /Britsports Masters[10][edit | edit source]

230/570R13 S15/S15W slick/wet 9.5 - 10.5 10 575 22.6 280 11.2 235 9.2 890
175/535R13 S04/S04W slick/wet 6.0 - 8.0 7.5 539 21.2 206 8.1 175 6.9 950
205/570R13 S15/S15W slick/wet 8.0 - 9.5 9 574 22.6 255 10 205 8.1 892
200/580R15 G84D/G84W slick/wet 6.5 - 8.5 7.5 583 23 216 8.5 195 7.7 878
265/605R16 C29D/A22W slick/wet 9.5 - 10.5 10 608 23.9 270 10.6 260 10.2 842


Masters SR8 / Unlimited Champions[edit | edit source]

Season Champion
2013 Gerhard Watzinger Germany[11][12][4]
2014[4][13] Jesse Menczer United Kingdom[14]
2015 N/A
2016 Jesse Menczer United Kingdom
2017 Jesse Menczer United Kingdom[15]
2018 Terry Olson United States

SR3 1500 Champions[edit | edit source]

Season Champion
2013 Tony Bullock United States[11]
2014[16] John Falb United States[14]
2015 N/A
2016[17] Richard Thomas United Kingdom
2017 Richard Thomas United Kingdom[15]
2018 Alan Miller United States

SR3 1340 Champions[edit | edit source]

Season Champion
2013 N/A
2014 N/A
2015 N/A
2016 N/A
2017 Antoine Comeau Canada[15]
2018 Louis Schriber


Radical Championship Rounds by Year:[edit | edit source]

2013 Radical Cup USA Events[18][edit | edit source]

29-31 March: Miller Motorsport Park, Utah

12-14 April: Road Atlanta, Georgia

28-30 June: Mazda Raceway Laguna Seca, California

12-14 July: VIR, Virginia

26-28 July: AutoBahn Country Club, Illinois

06-08 September: Monticello Motor Club, New York

2014 Radical Cup USA Events[19][edit | edit source]

21-23 March-  Miller Motorsport Park, Utah

11-13 April-    Road Atlanta, Georgia

16-18 May-    Watkins Glen International, New York

27-29 June-    Willow Springs, California

25-27 July-     Canadian Tire Motorsport Park (Mosport), Ontario

15-17 Aug-     Autobahn Country Club, Illinois

11-13 Sept-    Monticello Motor Club, New York (Thurs, Fri, Sat)

2016 Radical Cup USA Events[20][edit | edit source]

Jan 20-21-22-23-24 – Sebring, Florida (PBOC Winterfest)

May 27-28-29 – Virginia Int’l Raceway, Virginia (WISKO Race Engineering)

July 29-30-31 – Canadian Tire Motorsport Park, Canada (Radical Canada)

Sept 23-24-25 – Circuit of the Americas, Texas (Radical Texas)

2017 Radical Cup USA Events[21][edit | edit source]

Apr 7-9 - Radical Masters - Braselton, GA

May 12-14 - Radical Masters - Watkins Glen, NY

Jun 2-4 - Radical Masters - Alton, VA

Jun 23-25 - Radical Masters - Laguna Seca, CA

Sep 1-3 - Radical Masters - Austin, TX

2018 Radical Cup USA Events[22][23][edit | edit source]

24-25 March Circuit of the Americas

27-29 July: VIR, Virginia

18-20 May Canadian Tire Motorsport Park (Mosport), Ontario

10-12 August Utah Motorsport Campus, Utah

31-2 Sept Watkins Glen International, NY

25-27 October Maza Raceway Laguna Seca

References[edit | edit source]

  1. "Radical Cup comes to North America". Autoweek. 2013-02-05.
  2. Service, Crain News. "'Radical' sports racer series comes to U.S." Tire Business. Retrieved 2019-01-07.
  3. Staff, SPEED SPORT (2013-02-06). "Radical Cup USA Set For 2013". SPEED SPORT. Retrieved 2019-01-07.
  4. 4.0 4.1 4.2 Nesbitt, Wally (1969-12-31). "Radical Cup Adds New RXC Road Car and Canadian Race Date for 2014". Inside Track Motorsports News Magazine. Retrieved 2019-01-07.
  5. 5.0 5.1 "Blue Marble Cocktails Radical Cup North America". Radical Sportscars.
  6. "2017 Radical Cup North America Masters". Gulf Racing Fuels. 2017-02-10. Retrieved 2019-01-07.
  7. files.world-challenge.com (PDF) https://files.world-challenge.com/rules-regulations/2018-archives/2018-PWC-Radical-TechnicalRegulations.pdf. Retrieved 2019-01-07. Missing or empty |title= (help)
  8. Staff, PWC Series (2017-12-12). "Radical Sportscars to Partner with PWC in 2018". Blancpain GT World Challenge America. Retrieved 2019-01-08.
  9. "Radical SR3 and SR8 – Hankook Racing Tires of the Americas". Retrieved 2019-01-07.
  10. Prestashop 1.5. "Dunlop Race Tyres - www.hptyres.com". www.hptyres.com. Retrieved 2019-01-07.
  11. 11.0 11.1 "Club Spring Mountain News - October 2013". www.springmountainmotorsports.com.
  12. "2013 Radical Cup USA Season Review". RACER. 2014-03-19. Retrieved 2019-01-07.
  13. Policy, Privacy (2014-03-25). "Opening Rounds of the 2014 Radical Cup Were Action Packed -". Speedville. Retrieved 2019-01-07.
  14. 14.0 14.1 "Jesse Menczer was magic and John Falb flawless in Radical Cup at Road Atlanta". www.sportscarillustrated.com.
  15. 15.0 15.1 15.2 "2018 Radical North American Championship To Commence At COTA". Radical Sportscars.
  16. "Radical Canada Announces the 2014 Radical Canada Cup Series Details". www.prnmag.com. Retrieved 2019-01-07.
  17. "Radical Cup North America 2016 Schedule - CASC Ontario Region Message Forums". www.casc.on.ca. Retrieved 2019-01-07.
  18. "NARRA Dates Announced for Radical Driving School and New Radical Cup Racing Series". myemail.constantcontact.com. Retrieved 2019-01-07.
  19. Nesbitt, Wally (1969-12-31). "Radical Cup Race Dates for 2014". Inside Track Motorsports News Magazine. Retrieved 2019-01-07.
  20. "Radical Cup North America 2016 Schedule - CASC Ontario Region Message Forums". www.casc.on.ca. Retrieved 2019-01-07.
  21. "2017 Radical Cup North America Masters". Gulf Racing Fuels. 2017-02-10. Retrieved 2019-01-07.
  22. "2018 Radical North American Championship To Commence At COTA". Radical Sportscars. Retrieved 2019-01-07.
  23. "Radical Cup North America". Radical Sportscars. Retrieved 2019-01-07.

External links[edit | edit source]

Category:One-make series Category:North american racing series Category:USA Racing series Category:Race Series Category:Racing Category:Radical Sports cars


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