Preliminary test session of the Clarinval S22 a very successful event (11/2004) The CSU Motorsport Engineering Program ran its first test session with the S22 Development Car at the Continental Divide Motorsports Park in Northern Colorado in late November 2004. The session was a shakedown in preparation for thesis research testing to begin in late February 2005. CSU Motorsport Engineers make preparations at the track. Clarinval S-22 in action in Northern Colorado.