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Discussion Starter #1
I have a focus with over 92k on.NO it does not use any oil but i thought it was time to change oil here were the question comes in ford calls for 5W-20 i put in 10W30Castrol GTX High Mileage.Is 10W-30 going to hurt any thing?
 

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C2H5OH
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11,867 Posts
Shouldn't hurt a thing, corse there really is no need for thicker oil either.
 

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Shot me 3 deer!!!
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9,247 Posts
the thicker weight oil may give you some problems in super cold winters, but ya, you won't have any problems, though you may want to go w/ a 5W-30 instead of a 10W-30. but you really shouldn't have any problems.
 

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2017 Focus 1.0 Ecoboost 2003 Focus ZTW
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270 Posts
I'm at 125k and still use 5-20. It's not burning any and is quiet. I'm in PA too so starting is a concern but I think you'll be ok with 10-30. Probably at my mileage a little thicker wouldn't be such a bad idea.
 
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