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Old 02-04-2013, 09:40 AM   #12 (permalink)
bvl
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Quote:
Originally Posted by IDZRVIT View Post
In a pinch, yes. But there isn't any good reason why you'd mix oils at an oil change.
A few oil geeks do. Those that are seriously into the right blend for *their* application will mix and match to find their ideal cocktail and be happy. For example someone who wants more moly or other anti-wear additive in their oil may blend 1 qt of HDEO with 4 of another synthetic and then grab a UOA to check out the performance.

This isn't to suggest doing it: but to echo what others have stated in that you can mix away, don't over think it...its a blend of oil that has a blend of additive packages.

Bottom line is you want to replace it *before* your additive packages have run their course.

To the OP: you may just need to re-iterate you need more oil as your car is non-standard each and every time you get service. Yes sounds like they may have goofed as unless directed, using Ester is not SOP for most dealers.

From the FSM a normal oil change is 5 1/8 qt as is, and likely most folks just toss in 5qt and call it a day as 1/8th is hard to read on a stick

Me, I bring my own 5qt container of synthetic to the dealer for my oil change...and I put 1/8th qt in myself afterwards when I measure it.

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