SM Head Modifications on a budget

I thought the goals were more along the lines of:

I thought so too. Lol. 290 cfm is there to grab with a 2.02 valve so I was just hoping for a more simple way of getting there for some of our guys on a tighter budget. A good .300-.550 head that smoothly flows up to 290 cfm at .600-.650 can make some nice power that most guys would be satisfied with.