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#34: 05-14-2007, 03:56 PM
Title: Twinscroll troll
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Location: Boston
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Originally Posted by outahere View Post
Or do regular UOA. Increasing wear on the turbo bearing will show up on an UOA as silver. If you ditch the filter, and your turbo goes out, you KNOW Subaru will not cover your turbo under warranty.
I do regular UOA However it seems to me if the filter gets clogged, even partially, the turbo may not make it to the next UOA....