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Discussion Starter · #1 ·
2014 regal 2.0 turbo. 75k miles. No idea what has been put in it before. I was planning to use mobil 1 high milage 10w30. I know it calls for 5w30, but its now 6yrs old and 75k...Im thinking there is a bit of wear and the tolerances are opening so its time to make that move. Anyone have any ideas or info contrary? Please state them soon!


Will be changing the tranny fluid soon as well. Planning to use valvoline max life full synthetic MV dex/merc.
anyone have anything to say on that-it is DexVI rated.
 
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