the new petronas engine oil that exceed API SM and ILSAC GF-4.

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6,388
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Washington St.
ILSAC GF-4 specs are finalized, and additive companies are advertising additive packages for formulators to blend GF-4. API Service Category SM is a long way from being decided. This oil will be good if it actually does meet the GF-4 spec. Ken
 
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