well i sure know about the cleaning part i spend more time cleaning parts then machining them and it the end of the day you can not make the money to pay for the soap less you have the sunnen ampro bake and blast. i have a 500 gal hot tank and a jet and still spend time with the wd 40 to hold the rust dust down when i wire cup wheel i was going to do a 4.500 crank in a 9.800 deck block i have done the 4 3/8 and the 4 1/4 are not much of a challenge as well as the 4.3/4 in the 10.200 hey jerry sounds like you do have fun at your shop need a guy to push a broom