admin2011-07-24T00:00:00+00:00~ The NAPA Auto Parts Thunder on the Hill Racing Series will present event #101 on Wednesday night, August 3rd when the TRAFFIC JAM for modifieds returns to Grandview Speedway. The Chad Sinon/BPG Motorsports sponsored event will pay a hefty $8,500 to the winner of the 60 lap modified feature...