Another 302 head question

Well, if you can get some real good penatration on the weld, weld them up good. Grind them down so theres no problem with the header flange.

Now the hump inside the port shows very little gain in cfm flow when ground away. The air flow is best improved when the roof is touched. NOT the floor. The exhaust under pressure when the exhaust valve opens is forced out and hardest on the roof rather than the floor of the port.

If your home porting and not very exper. in what works and not, leave it alone or just level the hump even with the floor at best and most. Again, the cfm gain is very little.