Anybody every play with or run a 576 head

I got a pro ported set to replace these. Much cleaner. This was a hack job I agree. I think he was under the impression that the bigger the volume of the port the better it would flow. We know better, shape and flow is where its at. One of you porters should mark up the errors in this hack job and make it a sticky on what NOT to do when porting. You got my permission to repost and flame it as I take NO credit for doing this, only buying them for $100 a pair as the 2.02 valves and dampered springs were worth that much.