Turn a small drill press into a Bore/ Hone. Bolt it to the top of your engine block & do your own machining .

This guy wants to teach the teachers..?
We would have to be interested in doing it wrong 1st. Ever so often somebody comes over here with a real YouTube kind of idea ...where they bask in hillbilly shade tree glory when it actually runs.
Yeah... That'll show'em..fk dem macheen shops ...n t'ell wiff tham boring baars.
it' s just a combo of somebody's ego and being cheap. Why they always have to come on a site ,get butt hurt ,and then talk like.." I'll show you"...
Good buddy ...you ain't showing anybody. Go enjoy your motor or your car, or whatever the hell it is and be happy without approval from us or any "teachers".