WICHITA FALLS, Texas — Lloyd Ruby, who raced in the Indianapolis 500 for 18 straight years and won the 24 Hours at Daytona in 1966, has died. He was 81.

The death Monday of the lifelong Wichita Falls resident was confirmed by Sidney Lunn of Lunn's Colonial Funeral Home. Lunn said a cause of death wasn't listed.

Ruby's best finish at Indy was third in 1964. He was inducted into the Indianapolis 500 Hall of Fame in 1991.

Ruby teamed with Ken Miles for wins at Daytona and the 12 Hours of Sebring in 1966 and the World Sportscar Championship in 1966 and 1968. He was a seven-time winner in the USAC Championship Car Series.

In 2005, Ruby received the Bruton Smith Legends Award at the Texas Motor Sports Hall of Fame in Fort Worth.