That was an emissions motor. Base hp is about 200-230 year pending. Its a bored out 383ci. You'll need more compression and some heads and a cam. If it has a stock 2bbl carb it's the lower horse power model. They all had over 300 torque stock. I'm not trying to bum ya out, just a heads up. Good luck on the hotrod! They're fun! A nice street cam is in the
[email protected] range good power curve for the street. Of course you'll need some heads that breath to go with it.