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Bah.
I've never heard of any engine failure related to a bad undampened pulley.
The stock pulley is a piece of shi t.
I've seen more stock pulleys fail than underdrive or regular aluminum.
People will now start argueing "blah blah blah, high mileage damage, blah blah blah, original engineers put it on there for a reason."
So before you do, I'm an engineer. I studied vibrations in dynamic systems at msoe. If you think that shi t peice of rubber is gonna save your engine, you deserve to run that stock peice of shi t pulley.
The only real dampener that should be on a car to stop vibrations is a fluid dampener. and unfortunately we don't have any. This would require making the pulley with a space for fluid in it, then seal it so it lasts for thousands of miles, and no one is willing to do this on a 3/4ths dead platform.
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