June 25 Southwest Int'l Raceway (Tucson)..5PM. On "Test n Tune" days you can run your Corvette on the dragstrip for $20.00 (as many times as you can get back in line). If your car will be quicker than 14 seconds (quarter mile), then you will need to have an approved helmet. See their web site at: http://www.sirace.com/. The strip is open until about 11:00 - 11:30PM.