72 Pontiac Firebird Trans Am FacebookTweetPin 72 Pontiac Firebird Trans Am. These muscle cars were built with a variety of different engine sizes. FacebookTweetPin Related 1970 Plymouth Superbird 1963 Chevrolet Impala in Ember Red 1969 Ford Mustang Fastback | Muscle Car 1969 Chevrolet Camaro SS 396 L-78 1972 Ford Gran Torino | Muscle Car 1968 Chevrolet Camaro RS/SS
