In-frame, what to do with ECM? Need guidance

[Waterloo]

Ok, that is what I wanted to know and what my thinking was. Just wanted to make sure this was the correct route. As far as which tune, it is at 485 hp, right where I plan on leaving it unless there is a reason to return the motor to it's factory 600hp state. I do want Unilever to go through the programing and really tune this thing in. When should I do that, the fine tune? Give it a week or two, or would a few days after getting her back be ok?

i will check on those pistons and liners, I did not know that.