Quote:
Originally Posted by Mvy
Could the kit have been giving boost out higher than expected or other type of problem with the supercharger pressure release system? I know the OP said he ruled out over pressure, but twice with the same kit??This cant be normal as there are lots of ESS users who mash on their cars with that kit on all day long and this doesn't happen. Sure, adding a SC may increase engine wear,but this is not normal.
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a member posted that it's the force applied to the main pulley, that is why #1 and #5 mains are what failed. this is the first that i've read where the blower pulley, tensioners and belt have caused wear or stress at the main pulley. spinning the blower pulley is pretty easy, don't imagine it could cause that much stress unless the tension is extreme compared to stock.