This is virgin analysis of Subaru 0w20 SM oil by Idemitsu. Since 2012 Forester owner manual says "Always use Subaru approved oil" I was wondering what the numbers look like. Looks like it is very similar to Mazda 0w20 (also by Idemitsu) which my Subaru dealer says is approved by Subaru. One exception is Molybdenum which is much higher in Mazda version. The final goal is to determine whether Subaru oil is worth extra money (about $13 per oil change compared to 0w20 Mobil One in Walmart) and a trip to a dealer.
Code:
ALUMINUM 0
CHROMIUM 0
IRON 0
COPPER 0
LEAD 0
TIN 0
MOLYBDENUM 77
NICKEL 0
MANGANESE 0
SILVER 0
TITANIUM 0
POTASSIUM 0
BORON 218
SILICON 4
SODIUM 0
CALCIUM 2071
MAGNESIUM 12
PHOSPHORUS 696
ZINC 850
BARIUM 0
INSOLUBLES 0
WATER 0
FLASHPOINT ºF 435
SUS VIS 210ºF 52.8
cSt @ 100ºF 8.13
TBN 8.6
Code:
ALUMINUM 0
CHROMIUM 0
IRON 0
COPPER 0
LEAD 0
TIN 0
MOLYBDENUM 77
NICKEL 0
MANGANESE 0
SILVER 0
TITANIUM 0
POTASSIUM 0
BORON 218
SILICON 4
SODIUM 0
CALCIUM 2071
MAGNESIUM 12
PHOSPHORUS 696
ZINC 850
BARIUM 0
INSOLUBLES 0
WATER 0
FLASHPOINT ºF 435
SUS VIS 210ºF 52.8
cSt @ 100ºF 8.13
TBN 8.6
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