Here's one from the 1979 Daytona Speed Weeks. This might be from the Twin Qualifier and not the 500. Petty, Pearson and Waltrip crash off turn four down into the catch-all barrier where so many ended up and several nearly cleared and almost flew into the garage area, Ricky Rudd for one. It's a lot safer since they paved this area and reshaped the retainer area! Pic by DALE