Diego Febles was born in Cuba and left the island for political reasons in 1957 under the Batista dictatorship , first went to Ecuador and later settled in Puerto Rico. He contested his first car race in 1957 as a Cuban, his greatest success as a Puerto Rican. In 1977 he finished second overall in the Sebring 12-hour race and third in the Daytona 24-hour race in 1978 . The two appearances at the 24 Hours of Le Mans ended prematurely after failures.
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JA Martin and Ken Welles: Prototypes - the History of the IMSA GTP Series . Bull Publishing, Phoenix 2000, ISBN 1-893618-01-3 .