Clocked turbo - Compressor / turbine wheels get stiff
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Clocked turbo - Compressor / turbine wheels get stiff
So I have a T25 from a 300zx. I took it apart today to clock it (oil drain was on top). The compressor came off no problem, I then undid the bolts holding the middle of the turbo to the rear, and then with some love taps was able to get it out. The turbo before this rotated quite freely. I turned it around, put it back in, and tightened it down. I notice that when I get to really tightening down those bolts, the turbine becomes harder to move (not seized, and no grinding noise, but just not as smooth). If I loosen the bolts up a bit, it gets better.
What am I doing wrong? It seems like it's such a tight fit that it can't be off center. Am I just worrying about this for nothing? I realize the ball bearing turbos spin much easier then these older guys. Maybe i'm just crazy...
What am I doing wrong? It seems like it's such a tight fit that it can't be off center. Am I just worrying about this for nothing? I realize the ball bearing turbos spin much easier then these older guys. Maybe i'm just crazy...
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