Anyone interested in performance should care about their oil.

In Blackstone's latest newsletter they include a study they did tobadress this issue. What do they say is the best oil? "Who cares!"

Their reports show, what most of us know to be true, lubrication is the most important aspect of oil, and as long as there is fresh oil, you'll have a happy engine.

Now with our particular engines with HPOPs, there is room for being careful about areation and weights, but if you need a quick top off, or there's a good sale going on, rest easy that your truck won't hate you forever.

http://blackstone-labs.us1.list-mana...d&e=00a20e1d5b

 

i got the same newsletter and read that too, thought about posting it here, but alas i was not the early bird.....

 

blackstone told me the last time i sent a sample of the Valvoline all fleet 15-30 in to go 10,000 miles this time.

 

All of my reports on multiple oils have said that. 15,000 is my cut off.

 

We have a unique problem with the HUEI - an HPOP that shears oil to get it into the thousands of PSI. I'd want to see how the different oils hold up to that. I was reading my PC/ED (exciting stuff... I know), and it said the oil needs to be checked for aeration to know when it's due for a change. For Stinky, this comes shortly after 5000 miles. Every truck will behave differently, because they are all mechanically unique (after all the years, miles, and driving/maintenance habits). Throw in a few mods, and you have your truck - and you're on your own.

 

Aeration is not very common with modern diesel oils. I have worn oil down to the point it needs to be changed due to shearing and seen no aeration.

As I mentioned in my post, we do have that concern but time and time again HDEOs have proven to be up to the task of extended drain intervals well past that of the OEM recommendation (that recommendation was made based on oil available at the time).

 

How have you confirmed you have this aeration issue at 5000 miles? Because that doesn't really seem to be common and I'm curious as to how one tests for oil aeration. Are you really depleting the additives that quickly in your oil? What oil are you running? I've been running the Shell T6 oil but I've never had it tested, so if you are running a similar oil and see problems then I'd like to know if I need to take a harder look. Or are you running a standard 15W-40 dino oil?
We do have a unique HEUI system (sort of, but not really) and it can be a bit harder on oil, but with modern oils I would hardly call it a unique problem.

 

I like how that article show tests from GTX dino oil versus Mobil1.

 

Oil Aeration test procedure: Link shows it for an 03 F650-750 but it's still a 7.3L so I would assume this procedure should work on our trucks a well? https://www.motorcraftservice.com/pu...9/V3C4B002.HTM