Subaru Impreza WRX STI Forums: - View Single Post - Well Today my engine went @ 40k miles.
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Old 07-01-19, 06:31 PM  
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Default Re: Well Today my engine went @ 40k miles.

Originally Posted by Leemanfor View Post
oil wasn't the problem here

that knock hammered your bearings to pieces.
Monitor the knock. It's always on the bottom right on my Accessport display. You never know if you get a bad tank of gas!
The stock bearings are slight. 180,000k and mine worn through the first layer.
Now running 10W40 oil for break in (EWG WFO).
I plan to run 15W40 for up to 15lbs boost. 20W50 for 22lb track days.
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