New Truck Engine Oil

[Cummins12V98]

I should have included in post #38 that I did call Ram/FCA at that time and they confirmed factory fill was 15w40. BUT I had no proof for the na-sayer pro-synthetic guys so I have never included my verbal correspondence before.

Very interesting! All I ever heard was 5-40.

 

[Cummins2014]

"Its sad to think you might actually judge people based on their oil choices."

Seriously??? Let's put words I'm my mouth, I would expect this from 14 but NOT you!

Did this quote of THIS "If I were offered free oil changes I would say NO THANKS!!!" deserve your lengthy post??? I simply would NEVER let anyone change my oil for me. I have said this many times in the past.

Earlier I said "Personally I would dump engine oil at 2-3,000 miles and replace with "FULL" Synthetic." Is that so terrible???

I went on to explain why "Synthetic is in your engine from the Factory. Use FleetGuard Stratapore filter or Donaldson Blue or AMZ/OIL EAO80. HE!! I didn't even mention AMZ/OIL engine oil intentionally for the sensitive ones on here.

I also said "Rear diff I would dump at the same time and replace with this!!!"

Oh yea I also showed a picture of the 75-90 Severe gear lube, was that bad also???



"Newsa said: ↑
I went 2 years before using synthetic."

"That's a sad story." I guess I should have put a smiley face after??? ...........I was messing with him!



"Cummins12V98 said: ↑
If I were offered free oil changes I would say NO THANKS!!!"

Newsa said: "I'm not as OCD about Amsoil. Good stuff. Maybe not worth the premium price. My jury still out on that."...................I never mentioned AMZ/OIL Newsa did!

Well, you dragged me in . AH64ID was spot on . Maybe you should thank him , and maybe you should listen to what he said.

 

[pwr2tow]

I would bet on 10w30 as in 17 they filled with 15w40 and 5w40 was recommended below 0f.

My speculation on 5w40 in the 2019 and newer trucks is based more on economics with FCA and Shell/Pennzoil contracts as one oil for all diesel engine factory fill since the ecodiesel and 6.7 share the same preferred viscosity for all operating conditions.

Course I also could make the claim 10w30 could be a smidgen less than 5w40 per contract. But on a bulk basis producing more of one viscosity could result in a wash or more savings. Since I'm not a corporate bean counter and don't have access to that information I can only spin the hamster wheel driving myself nuts.

 

[Newsa]

Yup, I know. Just threw that out there.

My educated guess would be since the 2019 and newer 6.7 manual recommends 10w30 for temps above zero Fahrenheit and 5w40 below zero Fahrenheit they shipped from FCA with 5w40.

I'm certainly not going to loose sleep over which is in the crankcase as delivered from FCA as they both deliver outstanding protection.

I doubt FCA fills with synthetic. So few oil related failures even with the 15w 40 delivered to Frozen Tundras!

Cummins might recommend 15w 40 Valvoline. But that doesn't mean FCA doesn't either use mopar brand or shell rotella 15w 40.

Just keeping the oil war going!

 

[pwr2tow]

I doubt FCA fills with synthetic. So few oil related failures even with the 15w 40 delivered to Frozen Tundras!

Cummins might recommend 15w 40 Valvoline. But that doesn't mean FCA doesn't either use mopar brand or shell rotella 15w 40.

Just keeping the oil war going!

I agree on the frozen tundra comment, heck even the limited computer knowledge ancient old 1999 5.9 I had started on ancient old technology 15w40 conventional oil in 1999 at -30*F.

Question, since the only options for 2019 and newer oil options are 10w30 that only comes in synthetic blend and 5w40 synthetic what oil do think the factory fill is?

 

[Newsa]

Rotella T4 comes in conventional 10w 30. I think mopar dies too.

Amazon product ASIN B01LH7KO1Y

 

[AH64ID]

After I did a freezer test with Delo 400 15w-40 and Amsoil AME synthetic 15w-40 at -10°F overnight I quickly made my decision about dino oils and extreme cold use. The Delo barely moved when I flipped the mason jar, while the Amsoil flowed well. I also tested some gas 0w-30 synthetic and it flowed liked olive oil into the pan!

I’d post the video but I lost it when photobucket went money happy and started charging for any accounts. I don’t have any dino oil on hand to repeat the test or I would.

Sure one start that cold won’t kill a motor, but repeatedly doing so would caused increased wear and decreased life.

Most dino 15w-40’s only have pour points into the mid -20°F range.

Odd that Cummins doesn’t want a synthetic 5w-30 but maybe it’s just not a common enough grade to suggest.

Everything has its benefit, and it’s drawback. I know my oil choice isn’t the cheapest but I’m confident in its year round ability to handle extreme temps, cold or hot. I didn’t share that confidence in dino 15w-40, but I do realize it doesn’t create issues for just about anyone. That’s the beautiful thing about preference.

Unless the marketing is wrong I have found one or two conventional 10w-30’s, but the vast majority are a synthetic blend. I wonder if that has something to do with the ability to use them in a diesel. Or is it mainly the cam/lifter design? I did run a 5w-30 full synthetic in my 05 for a while. It met the Cummins spec for a 30wt in a ISB, but the UOA wasn’t favorable so I stopped using it.

 

[Cummins2014]

After I did a freezer test with Delo 400 15w-40 and Amsoil AME synthetic 15w-40 at -10°F overnight I quickly made my decision about dino oils and extreme cold use. The Delo barely moved when I flipped the mason jar, while the Amsoil flowed well. I also tested some gas 0w-30 synthetic and it flowed liked olive oil into the pan!

I’d post the video but I lost it when photobucket went money happy and started charging for any accounts. I don’t have any dino oil on hand to repeat the test or I would.

Sure one start that cold won’t kill a motor, but repeatedly doing so would caused increased wear and decreased life.

Most dino 15w-40’s only have pour points into the mid -20°F range.

Odd that Cummins doesn’t want a synthetic 5w-30 but maybe it’s just not a common enough grade to suggest.

Everything has its benefit, and it’s drawback. I know my oil choice isn’t the cheapest but I’m confident in its year round ability to handle extreme temps, cold or hot. I didn’t share that confidence in dino 15w-40, but I do realize it doesn’t create issues for just about anyone. That’s the beautiful thing about preference.

Unless the marketing is wrong I have found one or two conventional 10w-30’s, but the vast majority are a synthetic blend. I wonder if that has something to do with the ability to use them in a diesel. Or is it mainly the cam/lifter design? I did run a 5w-30 full synthetic in my 05 for a while. It met the Cummins spec for a 30wt in a ISB, but the UOA wasn’t favorable so I stopped using it.

With the temperature range here in Utah where I live, I am going to start using Rotella T6 15-40 Full synthetic. I have always used Rotella T4 ,but I am going to extend my oil change intervals out a bit longer, so I thought I would give a synthetic a go .

 

[pwr2tow]

And yet on the 5.9 ctd before 5w40 came along the only modern conventional oil available was 15w40 and those engines had a life to rebuild of 500 miles with many many going 1,000,000+ miles.

 

[pwr2tow]

Rotella T4 comes in conventional 10w 30. I think mopar dies too.

Amazon product ASIN B01LH7KO1Y

Yup, as I was typing only and synthetic blend I was thinking to myself someone will come up with something.

 

[Cummins2014]

And yet on the 5.9 ctd before 5w40 came along the only modern conventional oil available was 15w40 and those engines had a life to rebuild of 500 miles with many many going 1,000,000+ miles.

I have pretty much run Rotella T4 since 1998 when I bought my early 99 Superduty

 

[JR]

With the temperature range here in Utah where I live, I am going to start using Rotella T6 15-40 Full synthetic. I have always used Rotella T4 ,but I am going to extend my oil change intervals out a bit longer, so I thought I would give a synthetic a go .

I don't condone not following the OEM guidelines, but FYI.
This is out of a MY 2017 ISB/QSB 6.7 CM2350

Notice the bit about ambient temperature CONSISTENTLY below -13*F.

To back this up all you have to do is think of all the local owned farms, trucking companies, construction outfits, etc that use nothing but fleet spec conventional oil regardless of temp.

And the 6 month bit has been busted, finally, (whew, I felt I was living on the edge the last several years!!!)

The synthetic recommendation is overplayed.

 

[AH64ID]

And yet on the 5.9 ctd before 5w40 came along the only modern conventional oil available was 15w40 and those engines had a life to rebuild of 500 miles with many many going 1,000,000+ miles.

Yes they did, and generally lower power and lower constant load.

Also, back on those days diesels didn’t have favorable cold weather reviews so people didn’t run them as much as they do now. The town I worked in Alaska in had hardly any diesels 20 years ago. When I asked why it was their winter reputation, heck the gas motors had block heaters, battery heaters, and often trans heaters. When the temps got too low parents wouldn’t let their kids ride on the diesel busses due to their reliability.

Lots of benefits to the changing technology of the last 30 years in diesel pickups. Oil is just one of many improvements. Cummins ISB’s have always had better than average winter behaviors thou.

 

[HPSimpson]

So with all these opinions which oil better to use in Alaska? Conventional or synthetic?

 

[AH64ID]

So with all these opinions which oil better to use in Alaska? Conventional or synthetic?

Personally I’d run the 5w-30 listed here, but if I ran extreme for Alaska I’d likely run the 0w-40. Thats all on a 19+. On a pre 19 I’d just run the 0w-40.

https://amsoilcontent.com/ams/lit/databulletins/g3467.pdf

 

[Cummins12V98]

Well, you dragged me in . AH64ID was spot on . Maybe you should thank him , and maybe you should listen to what he said.

yea you were “dragged” same ol as on other forum. Just can’t mind your own business.

 

[Cummins2014]

I don't condone not following the OEM guidelines, but FYI.
This is out of a MY 2017 ISB/QSB 6.7 CM2350

View attachment 121006
Notice the bit about ambient temperature CONSISTENTLY below -13*F.

To back this up all you have to do is think of all the local owned farms, trucking companies, construction outfits, etc that use nothing but fleet spec conventional oil regardless of temp.

And the 6 month bit has been busted, finally, (whew, I felt I was living on the edge the last several years!!!)

The synthetic recommendation is overplayed.

I pretty much followed the manual until my 5 year warranty was up, then as I did on my previous truck I extended the oil change intervals, but always stayed with the T4 Rotella. Have never got caught up too much with synthetics, if I was to do the six months again I would definitely go back to T4, the miles were not there.

 

[Cummins2014]

yea you were “dragged” same ol as on other forum. Just can’t mind your own business.

What did I do, I wasn't involved here, you made the comment you expect it from me, so I didn't want to disappoint you , then you get upset.

 

[Cummins12V98]

Yep an innocent TROLL

Mod PLEASE note who couldn't leave me alone!!!

 

[AH64ID]

Seriously??? Let's put words I'm my mouth, I would expect this from 14 but NOT you!

Since it is very clear you have blinders on, and only took what I said for context out of this thread I'll elaborate. It's not putting words in your mouth, it's paying attention in multiple threads over a long time. It's a ongoing and worsening trend of which this thread is working towards.

I stand by what I said, I'm more than certain you're a great guy and just don't understand how you come across. That's exactly the point I am trying to make. Calling out the mods in your last post in this thread, on a guy that you brought into the discussion but then "claimed" otherwise, just proves my point. You don't see how you come across to the rest of us yet when anyone says anything the tables are instantly turned and we're harassing you. That's not what is going on here, and isn't what has been going on.

I will continue to enjoy the forum and look forward to your input, but it goes back to what I said a couple weeks ago. Alter the way you present yourself and people will want to thank you for your information because it's good info, not because you said they WILL thank you. I can tell you that when you post "You WILL thank me" the advice you're giving goes in one ear and out the other (or is it in one eye and out the other when you read it). People don't respond positively to that, they ignore it!

Then again I could be wrong and it could be your intent and it's just another post on the way to HBarlow land, but I really hope I'm wrong.