Currently I have a 4 mill dune port from jeff. I have pwk35's, noss head cut domes, CPI's, V force reeds, and some other stuff. My question is what would I have to do to swith to a 10 mill. I know I need a 10 mill crank and my cases trenched. But would there be anything else? Will my cylinders still fit up as ported? Would it even be worth it? Just curious.