1973 Alamo 500

[2][3] There were always large margins of victory at Texas World Speedway because of many long green-flag runs.

[2][3] Drivers were either became very cautious or very lucky and they managed to avoid having to deal with relatively long yellow-flag runs.

Only manual transmission vehicles were allowed to participate in this race; a policy that NASCAR has retained to the present day.

[2][3] This would be the last race done at Texas World Speedway until the 1979 NASCAR Winston Cup Series season.

[3][6] Notable crew chiefs who fully participated in this race were Tim Brewer, Jake Elder, Travis Carter, Harry Hyde, Dale Inman, and Bud Moore.