What oil were you using ?
It's kind of odd that would happen without any prior noise. I'm also sure you were not expecting it so you were not intent on listening to the engine sounds.
Yes, do let us know...
199,000 May 12 new ej257 short block, Aug 11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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