I have a weird vibration in my truck, and a "loose" feeling ride. It's not suspension or tire related i'm 95% positive (new ball joints, tie rods, rack and pinion, alignment, shocks front and rear). Feels like something is out of balance (hard to explain), but since it happen at low speeds i figure if something was out of balance it wouldn't really have any effects until high speeds/rotation. It happens at nearly every speed even slow speeds. I am starting to think its the drivetrain and maybe the transmission. I can feel it under my feet and through the steering wheel. I'm pretty stumped right now, i thought it was something in the steering so i replaced it all, but to no prevail. Do you guys have any ideas?
Edit: '06 F150 4WD with fabtech lift