GT5 Transcripts/Nissan C-WEST RAZO SILVIA (JGTC) '01

Popular for its FR layout and moderate size, the Nissan Silvia was also often utilized as a base car for touring car races. The S13 competed in the first Japan GT Championship (JGTC) in 1993, followed by the S14 and then the S15 in 1999.
The body and the engine of the racing Silvia was developed by NISMO and provided together to private teams. There were a few adjustments that needed to be made; the first issue faced by the teams racing the S15 was understeer due to the front-engine layout. Reinforcing body rigidity and using larger tires in the front was were effective measures against this. Another issue was the MacPherson strut front suspension. Compared to double-wishbone suspension, struts are always strained somewhere between corner entry and exit, and this problem was solved by adjusting the differential gears.
In 2001, C-West, a producer of aerodynamics body kits, acquired an S15 that was originally a NISMO works car. After installing custom front and rear fenders, they entered the GT series from its second round that year.
In the GT300 class with its limited engine power, raising the downforce of the car too much can lead to excessive air resistance, limiting the top speed of the car, but the C-West aerodynamics parts were designed with this in mind. The drivers were Naofumi Omoto and Yasukichi Yamamoto, of which the latter was the Super Endurance Class 4 champion between 1998 and 1999. It was Yamamoto's first season in the JGTC, and he successfully gained points in the latter half, and the Silvia ending its debut year in the 16th place.
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