Mobil-1 5W-30 does not meet SM/SL standards? - Toyota Yaris Forums

01-07-2009, 12:15 PM

#11

jambo101

Drives: yaris 08 sedan

Join Date: Oct 2008

Location: Montreal Canada

Posts: 1,286

Quote:

Now for the interesting part...

According to a letter Valvoline marketers received, the result from Valvoline's testing indicate:

Valvoline SynPower's 5W-30 wear performance is at least four times better than Mobil 1 5W-30
Mobil 1 5W-30 does not meet minimum API SM or ILSAC GF-4 specification because of its inferior performance in the Sequence IVA wear test

Not sure i'd hang Mobil1 out to dry on the strength of 1 anonomous letter,probably from one of Mobil's competitors,probably Valvoline.

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