A body top speed

My 67 Dart, on a 1.8 mile road course at No Problem Raceway, Louisianan, with a 360, 4 spd, 26 inch tire and 3.55 gears, 121 mph. They use the 1/4 mile drag strip as the main straightaway. Gears where the only thing slowing it down, that and pushing a barn door through the air.