CNC, That's a normal lump port, I had one from Kay years ago,but Tom's has the port opened up way more at the top and I did not know there was that much meat to do that safely. I have an old junk head I am going to cut up and see what's there in thickness.
I feel with a Turbo and divided port you need volume more than shape, yes-no ?
I'm just trying to see how much HP I can get from a stock divided head on gas, before switching to a Kirby 12 port.
