The year-1955. Biff is at the garage to pick up his car after the collision with the manure truck seen in Part 1, Marty jumps in the back seat and Biff tosses 3 cans of oil in the back seat. Biff sees Lorraine walking down the street with her Prom dress and goes to meet her, as Biff walks away from his car, the tow truck in front of the car pulls away. The tail lights on the tow truck are off of a 1975 or later Chevy of GMC Van.