You may not be able to tell the horsepower of the engine by it's looks but you can make an engine to a specification.
Plenty of we sites offering 2500HP Ford kits delivered to your door! If you can get it in a kit you can put it together yourself to the specification.
Makes my 300HP E49 265ci straight six Valiant motor seam quite inadequate
Oh dear! The things you sacrifice by having kids!