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Old 07-22-2022, 07:00 AM   #32
RZNT4R
Professional Mechanic
 
Join Date: Apr 2010
Drives: 2017 86 6MT Oceanic
Location: Quebec, Canada
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Quote:
Originally Posted by castroneves View Post
Sorry to resurrect an old thread, but did you ever get to the bottom of what this is? Mines starting doing it recently.
You know how I said busy work and energy level etc? I'm looking at the date of my last post and oooooh boy have things been hectic since :lol I've barely had time to change the oil, I even did a first ever and sent it out for an interior detail because it had been accumulating 2+ years of filth from having no time to do it myself.

I'll say this though, oil viscosity and octane rating does not seem to affect the noise, or maybe I already said that? The sound also doesn't seem like it's coming up and out of the intake tract, and changing the intake had no discernable effect.
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