Another Oil Thread - Chevy SS Forum
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post #1 of 20 (permalink) Old 06-15-2019, 05:11 PM Thread Starter
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http://gmauthority.com/blog/2019/06/...synthetic-oil/

So after reading this short article, do the mechanically inclined/much smarter than me Forum Members think we should use Mobil 1 full synthetic oil exclusively? I was kind of surprised that there was no mention of the AC Delco full synthetic oil in the article. Not trying to start a raging debate (well maybe a little), just trying to learn, and see if it's in my engine's best interest to switch to the Mobil 1 oil. Thanks.

2017 PBM, Auto Trans, Sunroof and Spare, All Stock, Original Owner, Original OEM Tires, 19,450 miles.

P.s. yes I know what a crate engine is.

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post #2 of 20 (permalink) Old 06-15-2019, 05:51 PM
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I run Mobil 1 or any other Dexos 1 gen2 Synthetic over AC Delco already because:

1) They are as good or better, and much cheaper with rebates.

2) Oils today are quite improved over those available when the LS3 was developed. You would have to go way off spec to find an oil today that would harm your SS engine.
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post #3 of 20 (permalink) Old 06-16-2019, 12:10 AM
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Anther one.....Please no........
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post #4 of 20 (permalink) Old 06-16-2019, 12:23 AM
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OMG .. not again ...

Lets do something more enjoyable?
is blonde better than brunette ? OILS guys, oils ...

I like "Motor honey", its blonde ...


.

'14 SS Heron White "Glinda" 99.99% OEM
Fastest OEM SS year model .....

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post #5 of 20 (permalink) Old 06-16-2019, 01:36 AM
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Quote:
Originally Posted by Smirnoff67 View Post
Got A New Chevrolet Crate Motor? Use Full Synthetic Oil | GM Authority

So after reading this short article, do the mechanically inclined/much smarter than me Forum Members think we should use Mobil 1 full synthetic oil exclusively? I was kind of surprised that there was no mention of the AC Delco full synthetic oil in the article. Not trying to start a raging debate (well maybe a little), just trying to learn, and see if it's in my engine's best interest to switch to the Mobil 1 oil. Thanks.

2017 PBM, Auto Trans, Sunroof and Spare, All Stock, Original Owner, Original OEM Tires, 19,450 miles.

P.s. yes I know what a crate engine is.
Smirnoff old pal!!!

Stick with the good stuff,,,, FULL SYNTHETIC, ONLY!! It is always gonna be a sometimes rancorous debate over this!! You cannot go wrong with Mobil One 5/30!!! Its NOT expensive,,,, Caveat here is that I do my own work and buy in bulk on sale at WalMart when I run low!! The difference in price is NOT that vast anymore,,, but it was not always the case!!! Also,,, I stick with using WIX XP oil filters. If you change these things on a regular basis, even with cheap crap parts and oil,,, (again an interval will be another sometimes rancorous debate),,, you will no doubt extend the life of the engine!!! My dearly departed BMW ran on original internals for 314,000!!!! I stick to a 5,000 mile regimen on the SS,,,,, OIL IS CHEAP,,,, PARTS AND SERVICE ARE A FORTUNE!!!

I am wrenchin on cars for the last half century!!!! I,,, like some other respected members here,,,, have seen pretty much just about everything that can happen from careless ownership and maintenance!!! It does not take an Einstein,,, or brain surgery,,, to get the simple things right,,, just a bit of due diligence!!!

Just my $0.02 !!!

And Yeah!!! OY VEY,,, Another Oil Thread!!!

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post #6 of 20 (permalink) Old 06-16-2019, 08:10 AM
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GM currently (again) has a marketing agreement with Mobil Oils so they currently (again) recommend Mobil 1...many of us here believe that the Dexos 1 Gen 2 full synthetic oil at the dealership is Mobil Super synthetic since dealerships usually also carry Mobil 1 and uncharge for that...

I would imagine that any oil that meets the current spec (depending on your vehicle) can be used and if following the recommendations for when it should be changed and a proper oil filter should not be the cause of any issues with your engine provided everything else is working to spec...

I prefer Mobil 1 mostly because of their marketing and I remember them as an early convert to a full synthetic as well as being able to buy it inexpensively enough when Mobil runs their rebates that I end up paying less than some synthetic blends or dino oil...

Buy the oil you like that meets the spec and find something else to worry about...

Bill
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post #7 of 20 (permalink) Old 06-16-2019, 09:47 AM
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Quote:
Originally Posted by SilverSport View Post
GM currently (again) has a marketing agreement with Mobil Oils so they currently (again) recommend Mobil 1...many of us here believe that the Dexos 1 Gen 2 full synthetic oil at the dealership is Mobil Super synthetic since dealerships usually also carry Mobil 1 and uncharge for that...

I would imagine that any oil that meets the current spec (depending on your vehicle) can be used and if following the recommendations for when it should be changed and a proper oil filter should not be the cause of any issues with your engine provided everything else is working to spec...

I prefer Mobil 1 mostly because of their marketing and I remember them as an early convert to a full synthetic as well as being able to buy it inexpensively enough when Mobil runs their rebates that I end up paying less than some synthetic blends or dino oil...

Buy the oil you like that meets the spec and find something else to worry about...

Bill

exactly correct …

but I will add one more item to something another member brought up ..
not all cars are compatible for full synthetic oil therefore the need for blends ...
something to do with oil molecule size, seals, and/or engine parts casting porosity...

AMSOIL anyone?

https://www.certifiedmastertech.com/...synthetic-oil/



.

'14 SS Heron White "Glinda" 99.99% OEM
Fastest OEM SS year model .....

Last edited by SoCA-SS; 06-16-2019 at 10:05 AM.
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post #8 of 20 (permalink) Old 06-16-2019, 03:37 PM
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Quote:
Originally Posted by SoCA-SS View Post
AMSOIL anyone?




.
NO thanks

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post #9 of 20 (permalink) Old 06-17-2019, 09:43 AM
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I was a big fan of the Amsoil 5-40 euro spec in my old setup on the T/A, I could hotlap it in the 1/4 and it made great pressure, and on BOITG they always liked its test results. Right now I'm running Driven LS30 in the new setup but I'm debating trying that 5-40 again as I'd like a hair more hot oil pressure.

Usually run M1 or PP 5-30 in the SS.

Honestly like I've said before don't overthink oil in an LS if it's not getting routine track duty and abuse. You could run walmart dino and still make it 200K (think of how many fleet 5.3s and 6.0s in the trucks did just that for years). Not that I blame anyone for wanting quality protection and 3 more HP, but they are tough motors and something else besides oiling will probably kill it first, it's a port injected N/A V8. On some smaller DOHC, VVT, DI turbo motor with cylinder deactivation and such, yeah I'm sure they are a bit more sensitive to oiling quality - such as the timing chain stretch prone GM 3.6.

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post #10 of 20 (permalink) Old 06-17-2019, 09:57 AM
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I seem to remember tests that show synthetic oils performing alike when fresh, but some, specially Mobil 1, losing its viscosity a bit sooner ...


Probably not really important to me, since I rarely drive with 6,000 rpm on the tach ...


.
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