ACT Returns to NHMS Saturday for Full Throttle Showdown Waterbury, VT — The American-Canadian Tour (ACT) heads to the biggest stage in New England motorsports this Friday, September 11 and Saturday, September 12. The Full Throttle 75 at Loudon’s New Hampshire Motor Speedway (NHMS) is part of the now-annual Full Throttle weekend and marks the … Continue reading ACT Returns to NHMS Saturday for Full Throttle Showdown