Anyone here ever have their pistons machined?

We've already done that. It's like 8.3 or some such. The DCR is fine. He has aluminum heads don't forget. Look at his timing curve. Look how soon it comes in. Look how soon it's all in. Look at the initial. 30*. If he knew how to time a car he'd be dangerous. Timing is his problem, it sticks out like a sore thumb and he will not listen.