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      03-13-2020, 09:04 AM   #21
RagtagXMASTER
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Drives: 2013 M6
Join Date: Jul 2018
Location: Boston MA

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after getting some oil analysis back from blackstone on the oem oil, liqui moly liechlauf 5w-40, and molygen 5w-40, they all have a high failure rate at operating temperature in the s63tu, the notes on my oil reports are that the oil is thinning out at operating temp. the 30 weight acts more like a 20 weight at temp, and the 40 more like a 30 at temp

my next plan is to try out the redline 5w-50. its used in the DOHC mustangs. it has a really good sheer strength.

there are plenty of issues with the engines from a design aspect, but dont lose sleep over it.
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