Take your reaction shaft and input shaft and insert in to the converter. That pilots all the internals. Hold the reaction shaft and turn the input shaft both directions which turns the turbine. Then turn the input and support together. If no noise then the blades are likely ok.
The blade/s could still be bad because without the converter running you are not loading the blades with fluid flow.
The only way to test the stator overrunning clutch is to hold it while turning the input shaft both directions. One way will be easy and the other hard. EDIT - turn the reaction shaft - not input. Sorry.
The old converters had large slots you could insert a tool in to hold the stator - most all late models do not have those slots.
I believe the old service manuals showed how to make a tool using a dipstick that was bend.
Last edited by Transman; 06/03/18 04:30 PM.