Japanese
Bjorn Wirdheim
Date of Birth : Apr 4, 1980
Sweden
Height : 184cm / Weight : 74kg
Blood Group : RH＋ AB
http://wirdheim.com/
Katsuyuki Hiranaka
Date of Birth : Oct 4, 1981
Hokkaido, Japan
Height : 176cm / Weight : 65kg
Blood Group : RH+ B
http://www.k-hiranaka.com/
| 1996 | Sweden Formula Ford Rookie of the Year |
| 1999 | Germany F3 |
| 2000 | Germany F3 |
| 2001 | Germany F3 3rd in the series (2wins) |
| 2002 | International F3000 4th in the series(1win)/Rookie of the year |
| 2003 | International F3000 Series champion (3wins) |
| 2004 | F1 Jaguar team Test and reserved driver |
| 2005 | Champcar world series |
| 2006 | Formula NIPPON 6th in the series |
| 2007 | SUPER GT GT500 9th in the series Formula NIPPON 9th in the series |
| 2008 | SUPER GT GT500 13th in the series |
| 2009 | SUPER GT GT500 12th in the series |
| 2010 | SUPER GT GT500 4th in the series |
| 2011 | SUPER GT GT500 10th in the series |
| 2012 | SUPER GT GT500 15th in the series |
| 1995 | Karting FP4 Class Series champion |
| 2004 | F3 Euro Series Drive Toyota Formula One (TF104) as a test |
| 2005 | SUPER GT GT300 15th in the series Formula NIPPON 13th in the series |
| 2006 | SUPER GT GT500 23rd in the series Formula NIPPON |
| 2007 | SUPER GT GT500 15th in the series Formula NIPPON |
| 2008 | SUPER GT GT500 10th in the series Formula NIPPON |
| 2009 | SUPER GT GT300 3rd in the series (Win the Rd8) Super Taikyu ST3 class Series champion |
| 2010 | SUPER GT 7th in the series, JAF GP Win Formula NIPPON |
| 2011 | SUPER GT 2nd in the series |
| 2012 | SUPER GT 7th in the series |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2006 | GT500 | No.6 Mobil 1 SC (R6) | ||
| 2007 | GT500 | No.6 Mobil 1 SC | 9 (38) | |
| 2008 | GT500 | No.6 ENEOS SC430 | 13 (39) | |
| 2009 | GT500 | No.6 ENEOS SC430 | 12 (35) | |
| 2010 | GT500 | No.6 ENEOS SC430 | 4 (51) | |
| 2011 | GT500 | No.24 ADVAN KONDO GT-R | 10 (29) | |
| 2012 | GT500 | No.24 D’station ADVAN GT-R | 15 (22) |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2005 | GT300 | No.52 Pro μ TAIYO OIL KUMHO CELICA | 15 (7) | |
| 2006 | GT500 | No.66 triple a SARD SUPRA GT | 23 (13) | |
| 2007 | GT500 | No.39 DENSO SARD SC430 | 15 (21) | |
| 2008 | GT500 | No.32 EPSON NSX | 10 (43) | |
| 2009 | GT300 | No.11 JIMGAINER ADVAN F430 | 3 (79) | 1 (R8) |
| 2010 | GT300 | No.11 JIMGAINER DIXCEL DUNLOP F430 | 7 (34) | FSC |
| 2011 | GT300 | No.11 JIMGAINER DIXCEL DUNLOP 458 | 2 (83) | |
| 2012 | GT300 | No.11 GAINER DIXCEL R8 LMS | 7 (47) | 1 (R1) |
| Entrant Name | GAINER | |
|---|---|---|
| Supervisor | Toshishige Yamamoto | |
| Representative | Toshishige Yamamoto | |
| Company | ||
| Website | ||
| Main Sponsor | ||
| Sponsor |
| Name | GAINER DIXCEL SLS | |
|---|---|---|
| Based Vehicle | Mercedes-Benz SLS AMG GT3 | |
| Chief Engineer |
| Car Model | SLS AMG GT3 | |
|---|---|---|
| Dimensions | 4710 × 1990mm | |
| Weight | ||
| Wheelbase | ||
| Treads | ||
| Transmission | ||
| Clutch | ||
| Suspension F | ||
| R | ||
| Brakes F | ||
| R | ||
| Tires | DL | |
| F | ||
| R | ||
| Wheels | ||
| F | ||
| R |
| Engine Model | M159 | |
|---|---|---|
| Type | ||
| Displacement | ||
| Bore & Stroke | ||
| Ristrictor( size & number ) | ||
| Max Power( ps / rpm ) | ||
| Max Torque( kg-m / rpm ) | ||
| Lubricant( brand ) |
| Engine Tuner | ||
|---|---|---|
| Machine Maintenance |
| 4/13-14 | Round1 OKAYAMA | |
| 5/03-04 | Round2 FUJI | |
| 6/01-02 | Round3 SUZUKA | |
| 8/03-04 | Round4 FUJI | |
| 9/21-22 | Round6 SUGO | |
| 10/19-20 | Round7 AUTOPOLIS | |
| 11/02-03 | Round8 MOTEGI | |
 |
12/07-08 | Round5 SUZUKA |
