hows this sound?

hey fellow stangers..my buddy just bought a 1990 5.0 lx notch..supposed florida state police car , il check if thats true by decoding door and dog tags. but heres the goods ..looks: stormin norman hood, grey interior,chrome ponys,electric blue w/ crap a$$ purple stripes. motor:efi 306, speedpro pistons. ported edelbrock 5.0 upper lower intake, ported stock heads,motorsport F cam ,mac longtubes,77mm massair,24lb injectors,70mm tb,no cats, flowmasters,msd coil and box. suspension:eibach drag springs,50/50,90/10 shocks struts. up/low control arms. how much hp u figure it is making?..also it takes a while to start..something bout low vacuum...is it cuz of a big cam?..how can thaT be fixed. thx..ps 4400 bought this car :banana: