[4] His motorcycle land speed records were set in 1970 at 251.66 miles per hour (405.01 km/h) in a twin-engined streamliner "Big Red", becoming the first person to ride faster than 250 mph;[3][5] in 1975, when he pushed past the 300-mile-per-hour (480 km/h) milestone for the first time with "Silver Bird"; and in 1978 at 318.598 miles per hour (512.734 km/h) in a twin-turbo powered streamliner "Lightning Bolt", a record that stood for 12 years.

[4] In 2001, he set the FIA wheel-driven land speed record of 458.440 miles per hour (737.788 km/h) in a turboshaft powered streamliner called "Turbinator".

[6] Another was the "Project 200" streamliner designed by his business partner, Matt Guzzetta, and speed tested by Vesco at El Mirage Dry Lake.

Project 200 competed in the Craig Vetter Fuel Economy Challenge and in 1983 performed an American coast-to-coast transit without refueling, sponsored by Motorcyclist magazine.

His #14 streamliner, with a fiberglass body molded around a 22-inch aircraft drop tank, powered by twin supercharged Yamaha XS650 SOHC engines, is on display at the National Motorcycle Museum in Iowa.