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Old 04-09-2019, 07:00 PM   #1
LS3JM
 
Drives: 2018 Camaro SS 1LE
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Dexos 1 and 2 oil

Guys my owners manual calls for Dexos1 but all I’m seeing is Dexos2 oil when searching.
Does 2 supersede 1?
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Old 04-09-2019, 07:45 PM   #2
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Dex 1 for the street, Dex 2 for the track.
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Old 04-09-2019, 07:59 PM   #3
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Quote:
Originally Posted by TJay74 View Post
Dex 1 for the street, Dex 2 for the track.
What if you drive on the street like your at the track? Asking for a friend
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Old 04-09-2019, 08:24 PM   #4
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Quote:
Originally Posted by LS3JM View Post
Guys my owners manual calls for Dexos1 but all I’m seeing is Dexos2 oil when searching.
Does 2 supersede 1?

The owners manaul says: If the vehicle is a Camaro High
Performance model, see the Camaro High Performance supplement.

which says: LS/LT 1LE, SS 1LE, and ZL1
Change the engine oil to 0W-40 or 5W-40 that meets the dexos2
specification.

If you drive like your grandma uses Dexos1
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Old 04-10-2019, 06:30 AM   #5
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Quote:
Originally Posted by TJay74 View Post
Dex 1 for the street, Dex 2 for the track.
Not really.
Dexos 2 supersedes dexos 1 and is the better oil.
It is good for both street and track.
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Old 04-10-2019, 10:16 AM   #6
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dexos2 is meant to deal with diesel primarily and gasoline (in countries with sometimes questionable quality fuel which contains lots of sulfur and junk). It does this at the expense of some fuel economy. Dexos 1 gen2 will be perfectly fine for gasoline engines in countries that have reliably clean fuel, like in north america. Dexos2 isn't necessarily better than dexos1 gen2 if you dont need the extra functionality of dealing with dirty fuel, though having that extra buffer might be better for those who dont mind the difference in fuel eco.

This thread has a neat little graph that is somewhat recent.
https://www.bobistheoilguy.com/forum...xos1_vs_Dexos2


btw, the importance of dexos1gen2 and/or using dexos2 over dexos 1 gen 1 or some other non-compliant oil is in supercharged/turbo applications where there was an issue with low engine load predetonation causing engine damage due to calcium based additives. The newer formulations use magnesium instead to avoid the issue.
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Old 04-10-2019, 01:41 PM   #7
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It sounds like GM and Mobil 1 have found a way to make us all go OCD..
I love it.
I'm going to run the regular Dexos requirement in my 1LE.

What is says on the oil fill cap....Lol
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Old 04-10-2019, 01:44 PM   #8
karmatourer
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Quote:
Originally Posted by carguy55 View Post
The owners manaul says: If the vehicle is a Camaro High
Performance model, see the Camaro High Performance supplement.

which says: LS/LT 1LE, SS 1LE, and ZL1
Change the engine oil to 0W-40 or 5W-40 that meets the dexos2
specification.

If you drive like your grandma uses Dexos1
Or if you drive like a mature adult and not a Boy-Racer,Dexos 1.
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Old 04-10-2019, 05:45 PM   #9
LS3JM
 
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Quote:
Originally Posted by carguy55 View Post
The owners manaul says: If the vehicle is a Camaro High
Performance model, see the Camaro High Performance supplement.

which says: LS/LT 1LE, SS 1LE, and ZL1
Change the engine oil to 0W-40 or 5W-40 that meets the dexos2
specification.

If you drive like your grandma uses Dexos1
shoot I missed the supplement thanks!
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Old 04-11-2019, 03:57 AM   #10
The Specialist
 
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Quote:
Originally Posted by LS3JM View Post
shoot I missed the supplement thanks!
If you cannot find your paperwork, " My dog ate mine " you should sign up on My Chevrolet and add your vehicle.

It'll have all the information on your Camaro.

https://my.chevrolet.com/home

You can find your owners manual with supplements;

How to and support > product support topics > Owners manuals.
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