Complex sentence: The Fords won Le Mans again in 1968 and 1969, while the T70's only big endurance win was a one-two finish in the 1969 24 Hours of Daytona behind the Sunoco Lola T70-Chevrolet of Mark Donohue and Chuck Parsons.
Split into simpler sentences: The Fords won Le Mans again in 1968 and 1969, while the T70's only big endurance win came in the 1969 24 Hours of Daytona where they finished first and second. The winning car was the Sunoco Lola T70-Chevrolet of Mark Donohue and Chuck Parsons.