What brand of oil would you use for your Regal? - Page 2 - Buick Regal Forum : 2011 Buick Regal Forums
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post #16 of 20 (permalink) Old 09-22-2012, 05:41 PM
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Quote:
Originally Posted by hkevin2us View Post
Run ONLY Dexos spec approved oils or you could be left holding the bill if there is ever an issue! Even if your're under warranty. jus sayin-
GM isn't going to waste the 2 week time frame or money to have the oil run through analysis. Even then other oils have just as much metals, minerals, additives etc in it so there is no way to tell. Specially not on these motors. V8 corvettes that blow all the time could be a different story since it costs them a lot in repair money.
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post #17 of 20 (permalink) Old 04-08-2018, 06:02 PM
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Pennzoil Ultra 5w30 in my GS and a Wix filter.
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post #18 of 20 (permalink) Old 06-16-2018, 11:06 PM
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Pennzoil Pure Plus Platinum 5w30 High Mileage
FRAM (Yes, FRAM) Ultra Synthetic

From there, I just change when it tells me, since it's always well below the extended range of these products.

I actually took a lot of time to decide on these as well. Lots of other forums, reviews, and tests.
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post #19 of 20 (permalink) Old 06-26-2018, 02:36 PM
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I'm a Mobil 1 guy myself, seems to have the best value and I have only heard good things.
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post #20 of 20 (permalink) Old 03-09-2019, 06:20 AM
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i use Pennzoil Platinum but can any one suggest me which oil is better for towing truck we have to use for our towing company NYC Roadside Assistance Services.
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