Up through the late 1940s, there were a limited number of classes that cars could run in. When Bill Burke ran his first Belly Tank in 1946, it was classified in the “Streamliner” class.
|1946||Roadster||Engines up to 260 cu. in.||Randy Shinn (Road Runner): 128.66 mph average|
|Modified||Engines up to 260 cu. in.||Karl Orr (Albata): 133.03 mph average|
|Streamliner||Engines up to 260 cu. in.||Bob Rufi (Albata): 140.00 mph average|
|Unlimited||Any chassis – engines over 260 cu. in||Tony Capanna (Albata): 137.24 average|