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Thoughts on this Dexos 2 oil?

Old 01-04-2019, 04:20 PM
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itch808
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Default Thoughts on this Dexos 2 oil?

Mobil 1 0W-40 seems like unobtanium for a lot of people or is pricey, what are motor oil gurus' thoughts on this alternative:

https://www.amsoil.com/shop/by-produ...tic-motor-oil/

Amsoil has both a 5W-30 and 5W-40 that are dexos 2 approved. Amsoil tends to be pricier than most typically brands. But at the cost of Mobil 1 0W-40 dexos 2, it seems like a reasonable alternative that is easier to source.
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Old 01-04-2019, 04:23 PM
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Last edited by MMD; 01-04-2019 at 05:04 PM.
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Old 01-04-2019, 08:41 PM
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MrHix
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I decided to use the Dexos 1 option 5w-30 Mobil 1 (regular) in my 2019 GS. It is about $26 for 5 quarts. "For the LT1 and LT4 engines only, if 0W-40 dexos2 oil is not available, SAE 5W-30 dexos1 full synthetic engine oil may be used for street use."

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Old 01-04-2019, 08:52 PM
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Originally Posted by MrHix View Post
I decided to use the Dexos 1 option 5w-30 Mobil 1 (regular) in my 2019 GS. It is about $26 for 5 quarts. "For the LT1 and LT4 engines only, if 0W-40 dexos2 oil is not available, SAE 5W-30 dexos1 full synthetic engine oil may be used for street use."

Cheers,

MrHix
ESP Dexos2 will extend protection of your cats. Its' additives will hasten cold start wear on the engine. Mobil1 ESP 0W-40 Dexos2 is widely available now. If you can't find it you're not looking. If you think you saving $$$ buying 5W-30 think again. Not in the long run.
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Old 01-04-2019, 08:59 PM
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PureJoy
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I just love discussions about oil...............you don't see many of them these days!!!

Anyway, b4 l unsubscribe, here is the info you need so you can now close the thread.................

https://www.walmart.com/ip/Mobil-1-0...-5-qt/23636902
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Old 01-04-2019, 09:15 PM
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Originally Posted by PureJoy View Post
I just love discussions about oil...............you don't see many of them these days!!!

Anyway, b4 l unsubscribe, here is the info you need so you can now close the thread.................

https://www.walmart.com/ip/Mobil-1-0...-5-qt/23636902
not dexo2 -> no warranty for you.
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Old 01-04-2019, 09:18 PM
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iclick
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Originally Posted by MMD View Post

ESP Dexos2 will extend protection of your cats. Its' additives will hasten cold start wear on the engine. Mobil1 ESP 0W-40 Dexos2 is widely available now. If you can't find it you're not looking. If you think you saving $$$ buying 5W-30 think again. Not in the long run.
Why would you want to "hasten cold start wear on the engine"? I assume you mean reduce it. In some climates the difference between a 5w and 0w would be insignificant, especially people like me who live in the Deep South and keep the car in a garage that rarely falls below 50F in the winter. What's more, in the context of average ownership (time or miles) would the difference, if any, be quantifiable?. Another factor to consider is the viscosity range, which for the 5w30 is 25 vs. 40 for the 0w40. That traditionally means more additives to boost the viscosity, which means that under high-temperature conditions those additives will likely break down more quickly and reduce viscosity. I couldn't say how much any of this would relate to overall expense or engine durability in the real world, but I would bet it would be insignificant for most owners.

Last edited by iclick; 01-04-2019 at 09:20 PM.
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Old 01-04-2019, 09:21 PM
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Originally Posted by MMD View Post

not dexo2 -> no warranty for you.
Oh no!!!
The warranty on my 20yr old C5 is now invalid???




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Old 01-04-2019, 09:24 PM
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Bill Dearborn
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Originally Posted by MMD View Post

not dexo2 -> no warranty for you.
I agree. People are constantly making the mistake by not noticing this oil doesn't have the ESP Label. 2 Dexos and ESP are clearly printed on the correct container. Here is what the 1 quart version looks like that I have in my garage:


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Old 01-04-2019, 09:30 PM
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Scroll down when you get the link page & it seems Chevy dealers use Walmart Mobil 1.....
https://www.chevrolet.com/certified-...ge-life-system
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Old 01-04-2019, 10:07 PM
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Originally Posted by iclick View Post
Why would you want to "hasten cold start wear on the engine"? I assume you mean reduce it. In some climates the difference between a 5w and 0w would be insignificant, especially people like me who live in the Deep South and keep the car in a garage that rarely falls below 50F in the winter. What's more, in the context of average ownership (time or miles) would the difference, if any, be quantifiable?. Another factor to consider is the viscosity range, which for the 5w30 is 25 vs. 40 for the 0w40. That traditionally means more additives to boost the viscosity, which means that under high-temperature conditions those additives will likely break down more quickly and reduce viscosity. I couldn't say how much any of this would relate to overall expense or engine durability in the real world, but I would bet it would be insignificant for most owners.
brain fart...I intended to use the word hinder. Regrading prolonging life of the engine, it depends on how long do you think you are going to hang on to this car? 3, 5, 10+ year?... If you want to trade your car in after the warranty expires in 3 years then oil selecrion is not that criticial within reason. You're not going to use a 20 weight non-synthetic oil. If you're a 10 year guy and you put 10 or more thousand miles on you vehicle every year then I would be very concerned about prolonging the life of the cats and the engine. These components are just to damn expensive to be replacing. So the answers depends on the type of owner you are. If you are the 3 year guy, you change the oil say once a year, so in 3 years how much have you really saved using off-brand oil? If your the 10 year guy, prolonging life if the engine is paramount. I personally think the engine should last a minimum of 200K if you're not tracking. That's the life I want for my vehicle. I will not cut corners with oil selection so I can get there.
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Old 01-04-2019, 10:17 PM
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Kevin A Jones
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Originally Posted by MMD View Post

ESP Dexos2 will extend protection of your cats. Its' additives will hasten cold start wear on the engine. Mobil1 ESP 0W-40 Dexos2 is widely available now. If you can't find it you're not looking. If you think you saving $$$ buying 5W-30 think again. Not in the long run.
I agree, (except for the hasten cold start wear part). Personally, I don't understand why anyone would not use the oil specified by the manufacturer just to save $60. Besides the benefits MMD lists above, by not using GM's specified oil you are just giving them an excuse not to honor your warranty if you were to have an engine problem.

Last edited by Kevin A Jones; 01-04-2019 at 10:18 PM.
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Old 01-04-2019, 10:29 PM
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I have 900 miles on my 2019 Stingray so it's not ready for an oil change yet but when it is I'm going to use what the manufacture recommends.
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Old 01-04-2019, 10:35 PM
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Another thing people never consider is the OLM algorithm GM uses in the car is based on using oil properties of their recommended oil. If you are using an off brand oil then all bets are off. The OLM reading will be bogus for other oils. So then, how do you really know when to change the oil? What...every 3,000 miles?...but are you sure? The LT1/LT4/5 engines are high-performance engines that demand a lot from the oil. How do you know the oil you use is up to snuff?
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Old 01-04-2019, 10:44 PM
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Originally Posted by MMD View Post
Another thing people never consider is the OLM algorithm GM uses in the car is based on using oil properties of their recommended oil. If you are using an off brand oil then all bets are off. The OLM reading will be bogus for other oils. So then, how do you really know when to change the oil? What...every 3,000 miles?...but are you sure? The LT1/LT4/5 engines are high-performance engines that demand a lot from the oil. How do you know the oil you use is up to snuff?
Very Good point!!!
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Old 01-04-2019, 10:54 PM
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Jmhornz71
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If it is a DEXOS oil it meets GM requirements for oil. MY 15 has 5-30 Mobil 1 oil in it and has for almost 67k miles thats what gm recommended. I refuse to go into walmart and have not seen the 0-40 oil in other stores around my home in VA Of course I dont go in everyday to look either the last time was 3 weeks ago
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Old 01-04-2019, 10:58 PM
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Amsoil is terrific oil, without question. As long as it's full synthetic, Dexos 2 you're good to go. Any number of other brands are available at far le$$, than Mobil 1.
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Old 01-04-2019, 11:15 PM
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That's the Euro 0-40 which is not Dexos.
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Old 01-04-2019, 11:26 PM
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MrHix
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So what? Mobil 1 ESP 0w-40 is not available locally around me. Why do you feel the need to jump all over people who decide to use a different path? Obviously I "am not looking" for the right oil and I must "think I saving $$$."

I thought this was supposed to be a good place to get information . . . . .

MrHix

Originally Posted by MMD View Post

ESP Dexos2 will extend protection of your cats. Its' additives will hasten cold start wear on the engine. Mobil1 ESP 0W-40 Dexos2 is widely available now. If you can't find it you're not looking. If you think you saving $$$ buying 5W-30 think again. Not in the long run.
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Old 01-04-2019, 11:28 PM
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What Mobil 1 said !!!
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