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55 minutes ago, AT4 HD Ron said:

Can this entire page 2 of this thread be deleted since it has nothing to do with the Duramax, and the thread is in the DURAMAX forum?

First two post of page to are indeed on point. :) 

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Posted (edited)

For my GMC the first two free dealer oil changes were full synthetic.  So I just went to Jiffy Lube and they used a commensurate full synthetic.  I've been a vehicle owner for 45 years, used all different major brands since I was doing my own, and never suffered an oil related problem.  There is too much brand envy.

Edited by SilveradoX2

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First two post of page to are indeed on point.  

Someone’s been spending to much time indoors lol


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For my GMC the first two free dealer oil changes were full synthetic.  So I just went to Jiffy Lube and they used a commensurate full synthetic.  I've been a vehicle owner for 45 years, used all different major brands since I was doing my own, and never suffered an oil related problem.  There is too much brand envy.


There’s a whole list of envy but most of all the lack of educating oneself on “PROPER” maintenance. Most of ALL vehicles are nowhere near what they were 10, 29 and especially 45 years ago. Oil related failures happen all the time but consumers are always blaming the issues on manufacturers quality issues. Fuel management systems are just “ONE” example. Changing oil often rather than later is a major key to engine longevity but most would rather squeeze out every mile possible even though they’re running minimum required engine oil and oil filter specs.

Most will say there’s been no comment on these forums that it was the engine oil they were using or that they ran to long on lowest spec required engine oil but there’s ZERO reported engine oil failures while using Amsoil Signature Series.
Can engine breakdown happen while using Amsoil? Sure, but not by the performance of what’s expected by engine oil and especially if engine damage has already started and only last minute attempt to help what’s left of their engines.




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Btw, Forums members quite possibly makeup less than 1% of automobile owners. Best to attempt to use common sense and not look for the cheapest approved, minimum required engine oil but the best you can afford cause most people on these forums actually believe their vehicles are investments, THEY’RE NOT!


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Amsoil is a good product, but for sure not the only quality product to choose.

I am a powersports retailer, formerly stocking full line of Amsoil, now I stock mostly Lucas.

Do your own research and choose what you feel is best

 

My Duramax is full of Delvac 1, and either a Delco filter or a Wix.

My choice is to dump oil at 1000mi new, then every 5000mi thereafter

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Well, #1 and as a retailer, Lucas oil is more profitable to retail stores than Amsoil. Amsoil sells direct to consumers saving them where as Lucas doesn’t, protecting your profit margin.

We can all go back and forth on what’s the best protection out there but one thing is for sure Lucas oil is no better than Mobil1 although and if you’re like some, changing your oil sooner rather than later is definitely a plus.

Most on these forums look for the cheapest prices on the lowest required specs and not the highest protection at the best value. That being said, there’s no oil manufacturer out there that will give you 20k miles (oil & filter) of outstanding protection and backs it up with the warranty like Amsoil.




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59 minutes ago, TXGREEK said:

That being said, there’s no oil manufacturer out there that will give you 20k miles (oil & filter) of outstanding protection and backs it up with the warranty like Amsoil.

Hum, Royal Dutch Shell gives a 500,000 mile warranty if you use Shell Helix or Pennzoil ULTRA Platinum from day one.

What's AMSOILS? 

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Hum, Royal Dutch Shell gives a 500,000 mile warranty if you use Shell Helix or Pennzoil ULTRA Platinum from day one.

What's AMSOILS? 


Read on brother,


https://www.amsoil.com/about/guarantee/


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3 hours ago, TXGREEK said:


Read on brother,


https://www.amsoil.com/about/guarantee/


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I hate to be a stickler, but he is saying that Royal Dutch (oil supplier, not a vehicle manufacturer) is giving you a 500,000 mile warranty.  The article you sent says it is illegal for a manufacturer to tie their warranty to a specific type of lubricant.  I don't know if the Royal Dutch statement is true, however it is two completely different scenarios.

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This was interesting as well.



IMHO, early OCI’s with good oil is an excellent way to treat your engine. Ok, lots out there for everyone to research. Remember, it’s not the cost but the “Protection.”


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These things get sideways when the argument splinters into:

 

1.) What the OCI CAN claim.

2.) What the OCI SHOULD be.

3.) What the OCI WILL be.

 

Can be is what the oil bottler claims. Should is what someone else thinks. Will is what is going to happen.

 

What's going to happen.....is 5K OCI in the truck and Honda and 2.5K in the Terrain. Once a year in the Buicks 

 

:cheers::cool: 

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On 3/26/2020 at 6:20 AM, KARNUT said:


You’re going to put 15-40 in an cylinder deactivation engine? Keep us updated.


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say what? what did I miss?  Pretty sure he was asking about oil for a diesel or am I wrong?  

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I'm sold on Full Synthetic and a good quality filter.  But I'm still doing my research on the "premium" oils such as Amsoil and Redline.  I don't believe in extended change intervals, so on diesels the most I would go is 10,000 with a premium filter, or a new filter change at 5000 miles. 

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