SM Head Modifications on a budget

I am. That part of post #1 is a little misleading. I posted it that way because most people do not have a seat and guide machine and will need to hire it out. Sorry for the confusion.
That's okay. I do appreciate that you are sharing this information with everyone. I'd like to ask you a question, for the street, is a 3 or 5 angle valve job better? I heard about a machine shop that doesn't do 3 angle valve jobs on daily driver as it doesn't matter as the rpm's are not over 5500 rpm's he claims