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