The problem with damage like that is whatever caused the destruction is often long gone. It could have been trash, a weld booger, the turbine wheel itself losing part of a blade, or anything.
Ever since I had an oil pump pickup lose a chunk of metal I started inspecting everything. This is especially important with Chinese parts.
I remember about 20 years ago I bought a pole used to erect and dismantle towers. I did a test pull with the pole mounted at ground height. Long before I got to expected tension in a normal job, the welds all popped.
Anything critical should always be inspected.
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89 LX. 363, single turbo, Super Vic EFI, TFS high port heads by TEA, solid roller, glide. Holley HP EFI. (exact combo varies)