Driving a reconfigured
Indy car at the newly opened
Daytona International Speedway, Teague died while attempting to break the closed course speed record, which had been established by
Tony Bettenhausen in qualifying for the 1957
Race of Two Worlds at about 177 mph. Teague was conducting test sessions in preparation for the April start of the
1959 USAC Championship Car season, piloting a "Sumar Special" streamliner, a
Kurtis Kraft chassis with a 270 c.i. Meyer-Drake
Offenhauser engine, streamlined fenders, and a canopy enclosing the driver, thus being classified as
Formula Libre. On February 9, 1959, Teague, clocked at , markedly improved
Ed Elisian's unofficial 148-mph-one-lap record for an American race track, which had been set in preparation for the
1958 Indianapolis 500. The next day, the left rear tire was cut as a result of running over a foreign object, which forced Teague to pit. Teague was trying to go even faster on February 11, 1959, 11 days before the first
Daytona 500. "Teague pushed the speed envelope in the high-powered Sumar Special streamliner – to an estimated ." ==Legacy==