best high mileage oil - Pontiac G6 Forum
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post #1 of 4 (permalink) Old 10-20-2013, 01:29 PM Thread Starter
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best high mileage oil

I have a 2005 G6 GT with 150,000 miles and I have been using Valvoline MaxLife 10W-40 for a while now. I was just wondering whats the best high mileage oil is to use?
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post #2 of 4 (permalink) Old 10-21-2013, 03:38 PM
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Their isn't really a "best high mileage oil" it all depends on what you like...everyone has different opinions on oil....Oil is oil no matter what brand it is, they all do the same things, some companies add additives which "supposedly" are better for your engine. But as long as you see the, American Petroleum Institute, stamp on it, then your all good.....Sorry if im getting off the subject here lol but for me, I always use Mobil1, after my cars go over 75K then i switch to the 75K Mobil1 kind, and once I reach 100K then i switch to the Mobil1 Extended Performance. And I always stick to synthetic, but that's my personal preference. If it's a used car over 100K then i would go to the Extended performance brand. When it comes to price, i personally think you are paying for the brand. Wal-Mart has oil for good prices...I bought a 5qt jug for 24.99 Mobil1 synthetic, and Autozone has it for over $35.00, so shop around, read reviews and see what you would prefer. Hope this helps!

Last edited by USMC0311; 10-21-2013 at 07:08 PM.
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post #3 of 4 (permalink) Old 10-23-2013, 04:28 AM
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I have used a few different types of oils, and I can say that not all cars react the same to certain oils. My father use to swear by Quaker State, until he started getting a white build-up under the oil cap on his Kia. He switched to Mobil1 and it went away.

On newer cars, I like Mobil1. But on used cars, I absolutely swear by Valvoline Max Life. I've had 2 '95 Dodge Neons, one of which smoked when I first bought, and the other I tuned for racing (while using the max life). A '97 Dodge Avenger. A '98 Mazda 626 that smoked like a chimney, and an '89 Chevy Beretta. After changing the oil to Max Life, I've always noticed a smoother running engine, and the smoking has gone away in every car that did prior to its use.

The only other thing I will add (and I live in a state that gets some nasty cold winters, so cold starting is a serious issue), if I have the money to spend, I really like using a quart of Duralube to replace a quart during oil changes. The more you can coax the oil to coat the parts and cylinder walls and stay there for the next start up, the less likely the parts will wear from the initial few dry turns.
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post #4 of 4 (permalink) Old 10-24-2013, 02:13 AM
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I used Duralube about 10 years ago and my engine didn't run as smooth.
I say for nasty cold winter starts, using a 0W30 synthetic oil is the best thing you can do.
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