2017 Trans Am Champion Gar Robinson and sportscar racing ace Shane Lewis will be competing for the 2018 Pirelli World Challenge GTS crown in 74 Ranch Resort Mercedes-AMG GT4s prepared by Robinson Racing. Known most recently for capturing two of the past three championships in the...
The traditional September visit to the rolling hills of Sonoma is always bittersweet. The scenery is always beautiful and the vineyards beckon with hints of the harvest to come. Drivers love the twists, turns and elevation changes as the track slithers for a little over two miles...