Amsoil 0w-40

mdv

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531
Location
MA
I think it was really formulated for small 4 stroke motors, not geared towards passenger cars. I think that's kinda of odd considering Mobil 1 pushing the whole European formula thing and most people being so wrapped up about the numbers on the bottle. I think they could market it very effectively to the BMW/Merecedes/ VW crowd.
 
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866
Location
OH, US
I'm guessing there is some very good reason they recommend a shorter drain interval than their other oils. Perhaps it's something about the additives in that particular oil. --Matt
 
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