How do you change the freeze plugs in a 1988 Pontiac Firebird with an 8-cylinder engine?
Bad news bro. gotta pull the engine to do this job. To pull them out simply take a punch and a hammer and tap the punch in and pop them out like a cork. Good luck.
Answer It's trim level. There are three trim levels for the Pontiac Firebird. Firebird (base) Firebird Formula Firebird Trans Am Firebird GTA (Third Generation Only) (it's to the Trans Am as the IROC-Z is to the Z28) Generally, the higher trim levels offer more goodies and more power than lower trim levels. The second generation also had the Firebird Esprit. The Trans Am model included a stiffer suspension, larger engine (some years), and distinctive graphics…
A 350 will easily fit but you could install a larger engine with major modifications. Stick with a 350 which was the optional engine in Firebirds. You will have to change the ECU also, so a donor car would be the easiest. If I were in your shoes, I would sell this Firebird and purchase one with a 350 already installed. You would be money ahead in the long run.