Originally Posted by
billetbirdcage
Just for curiosity sake, I took telemetry I have of several race tracks of cars running the low grooves around the track in racing conditions and found his distance to be pretty close to what the cars travel in feet.
Example magnolia speedway (running low groove - this includes letting car sweep out on straights): Data shows car travels 1660 ft = .314 miles
His results = Magnolia Motor Speedway .320 mi. dirt oval
I did several of them and his listing is pretty close, but it leans closer to the low groove then the high groove by a considerable amount