Just an FYI
I had a pulley with a spoked design on my car for a few months. After a while I realized it was collecting dirt in the apex of the spokes, which seemed to unbalance the engine. I could feel it running rougher and was getting a burnt oil smell after high rpm use. I went back to stock and everything is back to normal. The installation was done correctly, there was no wobble, the key and o-ring were seated properly.
I don't know if my experience was a singular event, I haven't heard of anyone else having this issue.
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