Might be a good idea to have Dave check out the motor, and build before you tune it..... You never know someone else's quality, if you can't see it. A slight build mistake on hard dyno runs can cause very expensive results. Been there done that on the exact same setup (except there was meth) and it is a hard lesson to learn. If I ever buy a pre boosted sled from someone, it will only be someone reputable, or well known to the community. Good luck, and can't wait to hear the numbers