Desktop Dyno ?

I got a copy from a friend. I put in info for a 318 like all the mopar mags built and got about 400 hp like they did on the dyno. I figured a .030 over
273 with a 500 lift cam and some juiced up heads and got 450 hp. I wish!!!
Mine is the 2000 model. It is a lot of fun. toolmanmike