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      10-19-2012, 07:44 PM   #6
BMJ
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Quote:
Originally Posted by R3N View Post
I've used Subaru Upper Cylinder cleaner with good results on a car that had oil buildup in the combustion chamber from the supercharger leaking. Make sure to follow instructions. Can easily get them at any Subaru dealer
i plan to buy this next week and give it a go.
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