The #3 and 4 cars were entered by Mickey Thompson, they were Mystery Motor 427’s that came from Smokey Yunick. Smokey did the roll cages and ch***is’ too. The car shown by the arrow was Ray Nichels entry, a Super Duty 421 Tempest that won the 250 mile American Challenge Cup Race with Paul Goldsmith driving. Bill Krause was in the 3 car and Rex White drove the 4 car.