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#11: 02-21-2013, 06:20 PM
Title: Senior Member
Location: Eastern PA
Car: 2011 legacy 2.5i premium
Posts: 287
iTrader: (0)
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idk, subaru is real specific about 0w-20 and only 0w-20. if you were to use say synthetic 0-30 or 5-30 i doubt your engine would explode. im not entirely convinced that 0w20 is some demon oil that eats engines though.