ok i have a stock 305 the lo3 but i mean ive done some other mods 345 9 bolt and performance clutch
im not exactly ready to put a 350 in it (only 17)not alot of money

but ive heard the lo3 heads are terrible and i wanted to replacethem.

what are a good set numbers anything could really help i have a 91 i would still like to retain the stock look of centerbolt so i dont run into my intake giving me troubles.
o and at the same time of doing this im putting headers. and thinking about a cam

could anyone let me in on some info of what heads i need or want. intake and exhaust valves and maybe a good combo for a cam.

 

Heads from a 305 TPI car would be an improvement, and could be had with the same valvecover and intake bolt patterns. If you do all the things you're planning though, you're probably going to need to do some chip burning to get the most out of it.

 

how could i start pushing some good numbers im reading alot about vortecs but then you have to get an intake to keep tbi and they dont have egr..

anything else like a set of tpi heads withthe right set of valves?