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Old 04-29-2013, 06:21 PM   #7
Raceseng
 
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Join Date: Mar 2013
Drives: 2013 FR-S
Location: Orefield, PA
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Quote:
Originally Posted by Calum View Post
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.
Calum - That is really odd because you would think that the dirt would collect equally in between the spokes. I have never heard of this happening. The only thing I can think of is that the pulley might have been out of balance from the get go.
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