It’s also important to remember that the Paxton Division shop was on the West coast building R3’s and a couple of R4’s. That Avanti could have been a well tuned R3 for Brock to drive.
They are probably Superior Coach representatives, the cars are ‘55 Pontiac ambulances. Superior was known for hearses, ambulances and limousines.
Yes, I knew it was The Surfers, I put the comment in quotes because before they were commonly known other racers looked at their antics with surprise. Riding skateboards in the pits when other cars were having pistons replaced between rounds, bringing the car back from the top end after their five minute servicing routine, filling the fuel tank with 94% when most guys were running 70% or less gave a lot of racers pause for concern. Just three humble guys that formed a great team.