5ZIGEN NSX at Okayama International Circuit (Full Run)
The 5ZIGEN NSX claimed 1st position in 4 out of 7 races held in its ST-3 class. It achieved a total of 111 points in the end of 2009, which secured the champion of the ST-3 class for the 2009 Super Taikyu season. Mainly ST-1 and ST-3 cars along with a few ST-4 cars raced in that season. ST-1 class is for approved vehicles with effective engine displacement of 3,501cc or above, ST-3 class is for production vehicles with engine displacement of 2,001-3,500cc and RWD drivetrain, while ST-4 is for production vehicles with engine displacement of 1,501-2,000cc.
Exterior (click to view)
Interior (click to view)
Blueprint (click to view)
IRL Specifications (click to view)
Engine:
- Engine Type: Based on Honda C32B (NSX NA2) V6
- Fuel Type: Naturally-aspirated
- Displacement: 3,179 cubic centimetres (3.179 litres)
- Bore: 93.0 millimetres
- Stroke: 78.0 millimetres
- Compression Ratio: ~10.2 : 1
- Engine Layout: Transverse rear-mid engine, rear-wheel drive
- Transmission Type: strengthened 6-speed manual
Performance Figures:
- Peak Power: ~440 horsepower @ 7800 rpm
- Peak Torque: ~380 newton-metres of torque
Dimensions:
- Body Style: 2-door coupe
- Length: 4,425 millimetres
- Width: 1,810 millimetres
- Height: 1,160 millimetres
- Wheelbase: 2,530 millimetres
- Curb Weight: ~1,430 kg kilograms
- Front Tires: Yokohama 240/640R17
- Rear Tires: Yokohama 250/660R18
Racing Results* (click to view)
| Round | Position (ST-3) | Date | Weather | Circuit | Length (km) | A Driver Best (Lap) | B Driver Best (Lap) | C Driver Best (Lap) | No. of Laps | Total Lap Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10th | 28/3-29/3 | Fine: Dry | Twin Ring Motegi | 4.801 | Katsuyuki Hiranaka 2β05.532(33) | Hiroki Yoshimoto 2β06.980(34) | Kosuke Matsuura 2β07.869(14) | 81 | 2:54β58.778 |
| 3 | 3rd | 6/6-7/6 | Fine: Dry | Suzuka Ciruit | 5.807 | Katsuyuki Hiranaka 2β20.817(35) | Kosuke Matsuura 2β22.022(20) | Hiroki Yoshimoto 2β21.801(28) | 83 | 3:28β20.752 |
| 5 | 1st | 1/8-2/8 | Rainy: Wet | Fuji Speedway | 4.563 | Katsuyuki Hiranaka 2β06.962(46) | Hiroki Yoshimoto 2β08.279(32) | Kosuke Matsuura 2β07.692(32) | 110 | 4:01β39.018 |
| 6 | 4th | 5/9-6/9 | Fine: Dry | Okayama International Circuit | 3.703 | Katsuyuki Hiranaka 1β45.050(46) | Hiroki Yoshimoto 1β45.524(30) | Kosuke Matsuura 1β45.098(27) | 103 | 3:04β49.480 |
| 7 | 1st | 10/10-11/10 | Fine: Dry | Sendai Hi-Land Raceway | 4.063 | Katsuyuki Hiranaka 1β57.487(43) | Hiroki Yoshimoto 1β58.767(43) | Kosuke Matsuura | 97 | 3:16β48.141 |
| 8 (1st Run) | 1st | 28/11 | Fine: Dry | Twin Ring Motegi (Oval) | 2.493 | Katsuyuki Hiranaka 53.987(32) | Hiroki Yoshimoto 54.902(15) | Kosuke Matsuura 54.902(15) | 47 | 44β07.425 |
| 8 (2nd Run) | 1st | 28/11 | Fine: Dry | Twin Ring Motegi (Oval) | 2.493 | Katsuyuki Hiranaka | Hiroki Yoshimoto 53.995(24) | Kosuke Matsuura 53.24 (24) | 48 | 44β32.515 |
*5ZIGEN NSX did not participate during Round 2; Round 4 was cancelled due to the originally scheduled Tokachi Speedwayβs owner, Tokachi Motor Park Co. Ltd., went bankrupt and liquidated. The circuit was eventually bought by MSF Co. Ltd., which renamed it to Tokachi International Speedway.
References (click to view)
https://gozigen-usa.hatenadiary.org/entry/20090317
https://gozigen-usa.hatenadiary.org/entry/20090327
https://gozigen-usa.hatenadiary.org/entry/20100225
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd1result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd3result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd5result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd6result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd7result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd8result.html
https://www.nismo.co.jp/motorsports/race/SUPERTAIKYU2009/rd8result2.html
https://www.tein.co.jp/e/motorsport/2009/stai/point.html