400ci big block

[Max666]

I am rebuilding a 400 with ym dad and am wondering how they putout?? Its a 2wd 78 f150, Mostly gonna use it to burn tires off haha.Does any 1 have a 400 nicely done up, id like some pictures maybe a video of how it sounds. i think ours is at about 320 hp atm but i would like to get 450+, Any 1 have any ideas or anything to help me out. Would like 450 W/O nitrous.

 

[highboy73]

turbo.turbo,turbo.