50k mi of UOAs - 2010 Outback 3.6R - M1 is Good!
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12-18-2012, 02:50 PM
'00 RS/WRX Stg5
'98 RS Stock
Originally Posted by
Your engine also isn't turbocharged, which is particularly harsh on oil.
Thanks for the info, but under "extreme" duty M1 still sounds like more of a bomb to me...
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