Quote:
Originally Posted by Bill Verburg
Yes, I read it, lots of trivial, pseudo information and short term personal opinion.
The owners manual was written by the engineers that designed and built the car. The oil spec is based on the internal clearances, pressures, temps and forces know to be present. They were not written by someone trying to sell what may be a fine product but which also may be snake oil. Oil weight matters to engineers that expect clearances to be be of a certain value and oil of a spec to properly run in them.
No I don't trust the Porsche recommendations, they do what's best for them, which is not the same as what is good for their customers. They have a history of poor advice.
case in point their oil recommendation of M1 0W-40 all through the 2000s right up till they started selling their own oil. This is a marginal oil for air cooled 911, it is great for their newer cars.
If you think that their oil is good for your car, great, but others basing their choice on your opinion is not so great.
There are multiple good 15w-40 or 15w-50 or 20w-50 oils out there that have served well for the past 40 years, given their excellent track record I'd suggest using one of them.
You do need to do some research to be sure that the formulations have not been adversely changed
I have read all these all threads and my opinion is that many of the posters seem to have some hidden agenda. If you want to try the latest and greatest wonderful, come back in 30yrs and then we can properly evaluate the result of your experiments.
It would behoove everyone to be wary of such
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Folks,
Making/sharing the observations after driving the car consistently for multiple runs is hardly pseudo information and personal opinion.
And for the record, there is no hidden agenda on my post! No need to be paranoid.
I should have realized that making a new post related to motor oil, especially if it is made by Porsche would be a hot topic.
Anyway, I strongly disagree on the one-sided statement regarding Porsche with respect to advice and customer satisfaction - it is just not black and white.
Anyway, everyone is entitled to their opinion.
Best,
Humberto-