[Dwight Southerland]

Pontiac did produce 421 SD "Swiss cheese" cars in 1963. I watched one race locally when the cars were new and the driver, Charlie Mitchell, is a local hero. The car he had was a silver Catalina coupe with a 3-speed. Before that, he had a red '62 Catalina light weight car with a four speed. My only explanation is that Pontiac did not produce enough of one model to get approval by NHRA. There is some inconsistency in the decisions that have been made by NHRA for some 1960s specialty cars, and maybe this falls into that bucket.