Mobil 1 10W-40 High Mileage

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voa_M110W-40HM.jpg
 
Thank you for the report!, man i love this oil well build and very robust!!

M1 HM SL oil's are top of the line
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Looks like the old Mobil 1. Very similar additive package to Amsoil 5w30.
 
Originally Posted By: 5sfe91
Originally Posted By: wavinwayne
I started using M1 HM 10w40 shortly after it's introduction. No complaints from me.



What OCI are you using?


I was running the M1 HM for 7-8k (highway) miles. I have not used this oil for a while, only because I like to try different oils.
 
Originally Posted By: Bobert
Looks like a kick arse oil. I'd buy it over the EP.


Depends which engine you are putting it in.
For my Duratechs,a lighter oil is better. A Euro engine, or very high mileage engine, is something differant.
 
This is great oil, the thing that I have always wondered is what do they put in the oil that makes it a high milage oil. And what is a seal conditioner.
 
Originally Posted By: GoldwingGuy
what do they put in the oil that makes it a high milage oil. And what is a seal conditioner.

Well usually HM oil's will have a boosted additive package(detergents,anti-wear)and non energy conserving and have a % of ester(seal conditioner).
 
Is the ester/seal conditioner considered bad for a new engine? Or is the level of ester used considered very low and will never cause a problem in a new or HM engine?
 
Originally Posted By: Boss302fan
Is the ester/seal conditioner considered bad for a new engine? Or is the level of ester used considered very low and will never cause a problem in a new or HM engine?

Know one really knows the % added to a given oil maybe 10-20%? i haven't heard any issues with it in a new engine.
 
Originally Posted By: AMRoberts
voa_M110W-40HM.jpg



After using it in the 5.3L GM and as assembly oil for the 325cc Polaris engines (having my hands in it) I consider M1 HM as good as it gets has far as a source for motor oil. The third party testing supports it has a top of the line additive pack.
 
Originally Posted By: GaleHawkins
Originally Posted By: AMRoberts
voa_M110W-40HM.jpg



After using it in the 5.3L GM and as assembly oil for the 325cc Polaris engines (having my hands in it) I consider M1 HM as good as it gets has far as a source for motor oil. The third party testing supports it has a top of the line additive pack.



As much as I hate to say it M1 makes a quality product. Everything they make is among the top performing products in the tier and at Walmart prices it's certainly affordable.
I just puked a bit in my mouth.
 
It was just last year that I bought my first Mobil 1 motor oil at the age of 62 so I have been slow to move to Mobil 1 motor oil some would say.
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Today there is not really any bad motor oil from most any source. I do think M1 HM is about as good as it gets if that is what one is looking for because the specs are there.
 
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