Japanese
Katsuyuki Hiranaka
Date of Birth : Oct 4, 1981
Hokkaido, Japan
Height : 176cm
Weight : 75kg
Blood Group : RH+B
http://www.k-hiranaka.com/
Bjorn Wirdheim
Date of Birth : Apr 4, 1980
Sweden
Height : 184cm
Weight : 74kg
Blood Group : RH+AB
http://wirdheim.com/
| 1995 | |
| 2004 | |
| 2006 | |
| 2007 | |
| 2008 | |
| 2009 | |
| 2010 | |
| 2011 | |
| 2012 | |
| 2013 | |
| 2014 | |
| 2015 | |
| 2016 |
| 1996 | |
| 2001 | |
| 2002 | |
| 2003 | |
| 2004 | |
| 2006 | |
| 2007 | |
| 2009 | |
| 2010 | |
| 2011 | |
| 2012 | |
| 2013 | |
| 2014 | |
| 2015 | |
| 2016 |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2005 | GT300 | 15 (7) | - | |
| 2006 | GT500 | 23 (13) | - | |
| 2007 | GT500 | 15 (21) | - | |
| 2008 | GT500 | 10 (43) | - | |
| 2009 | GT300 | 3 (79) | 1 (R8) | |
| 2010 | GT300 | 7 (34) | FUJI SPRINT CUP 優勝 | |
| 2011 | GT300 | 2 (83) | - | |
| 2012 | GT300 | 7 (47) | 1 (R1) | |
| 2013 | GT300 | 2 (80) | 2 (R1,8) | |
| 2014 | GT300 | 2 (78) | 1 (R8) | |
| 2015 | GT300 | 5 (52) | - | |
| 2016 | GT300 | 9 (32) | - |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2006 | GT500 | - | - | |
| 2007 | GT500 | 9 (38) | - | |
| 2008 | GT500 | 13 (39) | - | |
| 2009 | GT500 | 12 (35) | - | |
| 2010 | GT500 | 4 (51) | - | |
| 2011 | GT500 | 10 (29) | - | |
| 2012 | GT500 | 15 (22) | - | |
| 2013 | GT300 | 2 (80) | 2 (R1,8) | |
| 2014 | GT300 | 2 (78) | 1 (R8) | |
| 2015 | GT300 | 5 (52) | - | |
| 2016 | GT300 | 9 (32) | - |
Team Director
Chief Engineer
| Entrant Name | GAINER | |
|---|---|---|
| Team Director | Tetsuya Tanaka | |
| Representative | ||
| Company | ||
| Website | ||
| Main Sponsor | ||
| Sponsor |
| Name | GAINER TANAX AMG GT3 | |
|---|---|---|
| Based Vehicle | ||
| Chief Engineer |
| Car Model | ||
|---|---|---|
| Dimensions | ||
| Weight | ||
| Wheelbase | ||
| Treads | ||
| Transmission | ||
| Clutch | ||
| Suspension F | ||
| R | ||
| Brakes F | ||
| R | ||
| Tires | ||
| F | ||
| R | ||
| Wheels | ||
| F | ||
| R |
| Engine Model | ||
|---|---|---|
| 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 | |
| 8/31-9/01 | Round5 SUZUKA | |
| 9/21-22 | Round6 SUGO | |
| 10/19-20 | Round7 AUTOPOLIS | |
| 11/02-03 | Round8 MOTEGI |
