I think the gorilla is right, Blake for another 1 stack you should let them break it in on the dyno, they will liable if something goes wrong, back in 97 I built a porsche 993 s, it was a N/A flat six that was like around 300hp, I sent it a rebutiable porsche tuner who built it into a 700hp twin turbo system, anyway he broke in the rebuilt motor in his dyno room I was there and like already mentioned he ran it at idle for a while, then different rpm, tach it up and just let it decel on it own, there is no load on the motor and was being monitored all over, then some wot stuff, after that put engine in, put turbos in, tuned and dynoed it, and it was practically ready, Blake for the $ you alredy spent what's another thousand, but then again what do I know:dontknow: