The 1978 Daytona 500 , the 20th race of the event , was the second race of NASCAR Winston Cup season 1978 . The 1978 Daytona 500 , the 20th running of the event , was the second race of the 1978 NASCAR Winston Cup season .
1978 Daytona 500, perlumbaan ke-20 acara itu, adalah perlumbaan kedua NASCAR Winston Cup musim 1978. 1978 Daytona 500, larian ke-20 acara itu, adalah perlumbaan kedua NASCAR Winston Cup musim 1978.