Quote:
Originally Posted by shadrach74
No disrespect, but of all the opinions listed, this is absolutely the worst recommendation I've seen. I would never run oil that heavy unless I was running a car with 250,000 hard miles in Dubai...in the summer.
What is your reasoning for running oil so for outside the parameters of what Porsche recommends and moreover with a viscosity far beyond what your modern engine was designed for?
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To be clear, it wasn't intended as a reco' - it was just what I use, although his question is clear.
The M96 engine itself tends to run hotter than a straight or V-6, then add in the Dallas ambient street and track temps often exceed 130 through 4 months of the year. The Mobil1 15-50 is measured to have a high film strength. (Couldn't get Castrol at last oil change)
My oil analysis from Blackstone are coming back clean, so there are my reasons.
Porsche recommends oil changes at 15k miles and I don't do that either.
And a "viscosity far beyond what your modern engine was designed for" .... maybe you can support that, because there is support out there for 15-50.
Modern? No vario-cam and an IMS in my M96. That should end the "modern" discussion.
