Two weeks ago, I recently heard my 71GTQ whining like a squealing dying pig right after 1 bar of boost. After that I have only driven the car for less then 50 miles. It has less then 1500 miles total on this turbo. Now it whines like a squealing pig everytime I get in boost. The turbine moves freely when I spin it by hand. I removed the turbo this morning and to my surprise, I found all the fins on the exhuast side on the rear of the turbine damaged. To me it seems like the fins rubbed inside the housing but who knows. Can someone with knowledge please tell me what going on with my turbo? Here are some pics, I will try to take better ones.