Now that big-block engines had been swept into the dustbin of history, automakers needed an alternative. Turbocharging was one way to boost output sharply and GM issued several turbo-powered machines in the late 70s and early 80’s. A turbocharged Trans Am paced the Indianapolis 500 race on May 25, 1980, prompting Pontiac to release a … Continue reading 1981 Pontiac Firebird Manufacturer Promo Presentation