Well this is my first post, and I am almost finished, but figured I would throw this out there. I have an 05 STX that I have swapped a 1000+ hp, (slightly moddified:icon_rofl: 6.0, (now 6.1) liter powerstroke into. Been working on it for about 2 1/2 years. Back halved, 4link, 100% custom...