I believe it's either 225 or 235HP. You can go to this link which will allow you to decode your VIN number. Hope this helps!
http://www.fbodymotorsports.com/tech_pages
The horsepower rating of the 1989 TPI 305 engine in the F body cars was 195 - 205HP The horsepower rating of the 1989 TPI 305 engine in the F body cars was 195 - 205HP
intake plenum
Depends on whether you're referring to a 305 TBI, 305 TPI, 350 TPI...
Depends on engine
it does but only on the dino there is not a massive gain or feel but converters restict flow engines need to breathe
The 2002 Hyundai Accent's engine produces 89 hp @ 5500 rpm.
ruffly 89 to 93 hp.
It's in the alternator.
Check out this web site to purchase anything for your firebird. http://www.youngsfbody.com/
74 ground-pounding horsepower with the 1.6 liter engine.
in the gas tank
According to wikipedia the 85-90 Chevrolet Camaro and 85-89 Pontiac Firebird were the only ones.