But Sitton boasts that the extra power is there if his students want it.

FORBES: Real men eat dirt

Add it all up and Sitton's class is more elaborate than a Highlands grouse shoot.

FORBES: Real men eat dirt

You can ponder all this if you enroll in Smiley Sitton's Outlaw Driving School in Dallas.

FORBES: Real men eat dirt

Sitton draws students from all over the world, from professionals looking to sharpen their skills to rank amateurs.

FORBES: Real men eat dirt

Sitton, 59, is a veteran racer who in the early 1960s was one of the first people to drive a dragster more than 320 kilometers an hour.

FORBES: Real men eat dirt

Sitton, 59, is a veteran racer who in the early 1960s was one of the first people to drive a dragster more than 200 miles per hour.

FORBES: Real men eat dirt

On the night of a class Sitton has four or five helpers (mostly ex-racers) who spend several hours circling the track in old junk cars to pack down the sticky Texas clay.

FORBES: Real men eat dirt

Sitton's class is anything but low-rent, however.

FORBES: Real men eat dirt