How many model generations did the car Bill Elliott won the 1985 Daytona 500 in have?
1985 Daytona 500: The 1985 Daytona 500, the 27th running of the event, was held on February 17, 1985, at Daytona International Speedway, in Daytona Beach, Florida. 1985 Daytona 500:  After a mediocre run in the Busch Clash, Elliott nearly lapped the field in his 125-mile qualifying race, then thoroughly dominated the Daytona 500, leading 136 of the 200 laps in his #9 Coors/Melling Ford Thunderbird.
i don't know