Firebird was offered in Base, SE and Trans Am models.  Entry level Firebird received similar upgrades as the Camaro Sport coupe. 2.5-liter L-4 was the standard engine, while SE revived the 2.8-liter V6 and 5-speed manual or 4-speed automatic.  Trans Am was basically a holdover from 1985 with a 5.0-liter carburated (160 hp) and … Continue reading 1986 Pontiac Firebird Trans Am Manufacturer Promo