With the pace lap on, start a race. Drive up to first place during the pace lap (you have to do this before the pace car pull into the pits). Now pause the game and select "leave track".

To race as Bobby Allison, select Charolette track from the single race menu, highlight "Select car" and quickly press Left, Up, Right, Square, X, O, L1, L2, R2, R1. There will be a brief pause and an engine will follow if entered correctly.

To play the secret game, press Start on Controller 2 during the title sequence.