Gdads51 I'm glad to help out on all of that,in another life I ran the portable crankshaft grinder on those last babbitt rod chevies. Believe me was I glad to stand up at the floor model big grinder !! That shop was an aircraft shop too where you really learn,happy to say we never lost a crop duster jnto the fence row !! They were cowboys at that too ! Powerful radial equipment !!