Why is ther no formula to figure out port volume?

Oh hell yeah. This is why it doesnt bother me to take the abuse about paying too much...lol. The equipment is top of the line, as are the guys doing it. I can count the number of "performance shops" around here that actually own a seat runout gage on one hand. Excellent quality work, will add a lot of power and life. And it's not just the guy, and not just the tooling. But the combination that is so critical.