Synthetic or Comventional?

[pwr2tow]

You are missing what I am saying, unless you think Cummins takes none of that into account when they spec an oil...

I understand, I was just layman it down a little for those unfamiliar with oil and numbers. It's all good.

 

[AH64ID]

I understand, I was just layman it down a little for those unfamiliar with oil and numbers. It's all good.

Which makes it even more important that it doesn't matter as long as it meets the spec. Those unfamiliar will only look for spec, if that.

 

[Newsa]

I've had 15w 40 dilute down to a 30 wt and still found that my UOA's have negligible iron and other metals. The flat tappets in the Cummins I believe are the hardened iron, not the coated steel. Whether iron or steel, iron is component of both and would likely show up in a UOA if there was significant wear.

I've had good UOA's generally in terms of metals less than 15 ppm across the board running both CK4 15w 40 & CK4 20w50.

I'm wondering if Ram has a different oil viscosity recommendation than Cummins does?

Wondering if that new and larger turbo has tighter tolerances and likes a thinner oil along with the new lifters not needing a 40 weight oil at operating temps?

Didn't they also go to low friction piston rings?

And the CGI may shed heat more efficiently.

 

[Cummins12V98]

It doesn’t really matter what it shears to as long as it meets the HTHS criteria set forth by Cummins, that’s what is commonly confused with “shearing to a different grade”.

The min HTHS for a 30wt on a ISB is 3.5. The oil I ran had a HTHS of 3.5, so it met min. It also was thicker in the 30wt category than other does oils. I just didn’t like the UOA.

The oil I currently run has a HTHS of 4.5 and will stay “in grade” very well. The HTHS test is also done at around 300°F from what I recall and the highest temp I saw on my 05 was around 235°.

I can tell you that Delo 15w-40 looses a lot more pressure at normal operating temps compared to Amsoil 15w-40 AME or DME. So which one do you think stays “in grade”
better.

I’m guessing you are running the “Wendy’s” oil.

 

[pwr2tow]

Which makes it even more important that it doesn't matter as long as it meets the spec. Those unfamiliar will only look for spec, if that.

And the reason why one should stick to manufacturers specs rather than experiment with none OEM weight specs.

 

[AH64ID]

I’m guessing you are running the “Wendy’s” oil.

You know exactly what oil I run... not only have I stated in this thread, today, but we have discussed it.

I'll give you a hint, you have posted at least 2 dozen oversized photos of it on this forum

I'm wondering if Ram has a different oil viscosity recommendation than Cummins does?

Ram meets the base Cummins recommendations for the ISB. There are oil bulletins that discuss more options but really it's not common to see them used.

I will tell you that Blackstone doesn't use the published Cummins spec's for the ISB, or at least they didn't in the past.

 

[pwr2tow]

I’m guessing you are running the “Wendy’s” oil.

 

[Cummins12V98]

Yea I have always thought the duck face thingy was very unattractive!!!

now to get some acid to wash my eyes out.

 

[Newsa]

And the reason why one should stick to manufacturers specs rather than experiment with none OEM weight specs.

I have used 20w 50 CK4 amsoil dominator and got all metals lower than 15 ppm.

I have never used blackstone. I only use oil analyzers/horizon for my UOA

 

[pwr2tow]

2 oil changes cost less than the scamsoil worshippers and will show no negligible difference in real life longevity. Top quality products for top quality longevity.

I worked too hard to spend my money on warm fuzzy feelings. With the saved money I can buy warm fuzzy things. LOL.

 

[AH64ID]

Holy snapping arseholes batman, one gallon cost more than my whole oil change!!!

Using public school math and your published photo your oil change is not less than one gallon of DME.

 

[pwr2tow]

Using public school math and your published photo your oil change is not less than one gallon of DME.

Me bad, minus the filter. But I still have $57.00 left over compared to scamsoil and a filter oil change. LOL

But the last photo shows 2 of my oil changes with quality synthetic plus 2 quality oil filters costs less then just the scamsoil pictured of 1 oil change and no filter. LOL

 

[JR]

Using public school math and your published photo your oil change is not less than one gallon of DME.

But mine is

Mobil runs lucrative rebates several months each and every year and can be had for around $8 per gallon after rebate, depending on price point at time of the initial sale. I always wait until the participating retailers have a good sale and stock up.

 

[pwr2tow]

But mine is

Mobil runs lucrative rebates several months each and every year and can be had for around $8 per gallon after rebate, depending on price point at time of the initial sale. I always wait until the participating retailers have a good sale and stock up.

But, but but, if you're not spending roughly $111.00 per oil change your not allowed to play. LOL.

 

[Cummins12V98]

I thought the cellulose filters were fine??? Why spend your hard earned money on the Donaldson Blue?

 

[JR]

I'm wondering if Ram has a different oil viscosity recommendation than Cummins does?

.

.
Rams recommendations come from Cummins. The difference being, 99% of all commercial and agricultural users that require large quantities of oil are much more likely to lean towards fleet spec (conventional) oil. When you have to buy it by the drum and by the month it's almost impossible to justify an oil that costs $30 per gallon no matter how lucrative your business is.

 

[pwr2tow]

I thought the cellulose filters were fine??? Why spend your hard earned money on the Donaldson Blue?

I showed them for your pleasure and your comparison.

Your right I saved even more by running a quality Mopar filter.

 

[Cummins12V98]

If I did the 10-40 and AMZ/OIL filter it would cost me around $96 without tax.

So 15k use is dirt cheap for premium products.

 

[pwr2tow]

If I did the 10-40 and AMZ/OIL filter it would cost me around $96 without tax.

So 15k use is dirt cheap for premium products.

But you get yours at a discount from your sons business. So not really a creditable post from you, honest yes, but sneaky.

I also use Premium products for 15,000 miles for less then half the price.

 

[AH64ID]

.
Rams recommendations come from Cummins. The difference being, 99% of all commercial and agricultural users that require large quantities of oil are much more likely to lean towards fleet spec (conventional) oil. When you have to buy it by the drum and by the month it's almost impossible to justify an oil that costs $30 per gallon no matter how lucrative your business is.

The other fleet advantage is than all non-Ram/Dodge ISB’s have a much larger oil sump. The Ram gets a simp smaller than the “small” sump.

Not saying Ram ISB’s are dying from it, just pointing it out. A Ram pickup makes more power with less oil volume than any other land based ISB. Oil will he treated worse as a result. QSB’s make more power and hold more oil, but marine duty cycle is very different.