Actually, the true cars were, for the first season, '74's , second season were '75's, third season were '76's, 4th season firebirds were the left over '76's and half way through the new '77's, then from '78 to the end of '79 were the '78's then in '80 they used a few '80's before the show was canceled, the were Firebird Esprite's, with engines from 305CI to the biggest V8 avalible the 400CI, almost all were florr shift auto's and the color is called GM Carmel, they ran Pontiac rally II wheels, and dual exuast. License number 853 OKG.