Marks uses Knoxville starts as valuable Nationals testing; Wisconsin/Iowa double ahead
By Fully Injected Motorsports: MYERSTOWN, Pa. (June 17, 2019) – Although his weekend outcomes were shy of expectation, finishing 14th and 16th, respectively, during Brownells Big Guns Bash/World of Outlaws Sprint Car Series competition at Knoxville Raceway, Marks will use his recent starts as test sessions, already looking ahead to the coveted Knoxville Nationals in…