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Old 01-03-2013, 01:23 PM   #304
Rootus
Scooby Specialist
 
Member#: 89821
Join Date: Jun 2005
Location: A Series Of Toobs
Vehicle:
2015 STI LE

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Quote:
Originally Posted by heavyD View Post
I don't know about that. I know and have heard people with that engine in Mazdaspeed 6's and CX-7's that grenaded stock. It's never been a particularily reliable engine.
I can't speak for all of them, but I experienced audible knock on my MS3 with some regularity. Not at high RPM, so it may never have blown up, but not a sound you want to hear when you mash the go pedal. Must have been timing related, because it certainly wasn't running lean . When you can see the black smoke behind you, it may mean you're running a tad rich...

How similar is the new ST engine to the old mill the MS3 has?
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