Why is Mobil 1 0w40 so cheap and good?

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Originally Posted By: Gearhead1194
As far as I'm aware there's no she'll ultra around me.

It's the same thing as Pennzoil Platinum Euro over here.
 
Mobil 1 has only 2% of ester base on 0w40 or any other M1. Esterex. What about AN, how much? Anybody?

Proof
http://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3690582/Why_Use_Polyol_Esters_(POE)_at#Post3690582
 
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Originally Posted By: Pontual
Mobil 1 has only 2% of ester base on 0w40 or any other M1. Esterex. What about AN, how much? Anybody?

Proof
http://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3690582/Why_Use_Polyol_Esters_(POE)_at#Post3690582


What does it mean?
 
Nobody has data to show that Castrol 0w40 is superior to Mobil 1 0w40, they are about equal.

Both can be used for 10k miles or a little longer up to 15-16k miles, in a clean engine with non-severe driving conditions.
 
Originally Posted By: Gearhead1194
Are they both capable of 7500-10,000 miles?

They are, based on the long life oil specs they both meet.

Of course, long life is not a blanket statement and relies on all kinds of stars to align.
 
Gearhead.


Porsche wrote that any certified oil for use in their engines is equal to any other certified oil.
Certified being the key. Not "meets or exceeds".


Both the m1 0w-40 and castrol 0w-40 carry the a40 Porsche certification. So Porsche says they are equal.
One can believe one is better than the other but the truth of the matter is any m difference in formulation is irrelevant.
They are functionally equal. Buy the less expensive one
 
Originally Posted By: Clevy
Gearhead.


Porsche wrote that any certified oil for use in their engines is equal to any other certified oil.
Certified being the key. Not "meets or exceeds".


Both the m1 0w-40 and castrol 0w-40 carry the a40 Porsche certification. So Porsche says they are equal.
One can believe one is better than the other but the truth of the matter is any m difference in formulation is irrelevant.
They are functionally equal. Buy the less expensive one


That is completely incorrect. Both carry the certification meaning that both are "good enough" for porsche. That in no way implies that one is not better than the other. One could very well exceed Porsche's requirements by more than the other.
 
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