I’m not really sure what you’re asking or what point you’re ultimately trying to make. What I said was that no engine is damaged by an oil with a higher HT/HS and that this (the MOFT) is what protects engines from wear and does not cause it.
Ow-20 for Jag/LR 5.0 SC
- Thread starter thewarhammer
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Tests & Price List | Blackstone Laboratories
A comprehensive list of the more specialized tests we run. Any of these tests can be combined with the standard analysis.
www.blackstone-labs.com
OVERKILL
$100 Site Donor 2021
Uhhh, we do see -30C outside of the GTA on occasion.
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We can lump whatever we want when the threadstarter provides no information and disappears.
And, I could care less where a majority of Canadians live. Its up to person living his/her area to have a clue concerning their weather conditions when picking a grade. Could also add in variables like average/peak oil temps and oil PSI for their driving/commute conditions too.
A question with no pertinent info will get whatever answer and comment, whether he likes them or not.
And, I could care less where a majority of Canadians live. Its up to person living his/her area to have a clue concerning their weather conditions when picking a grade. Could also add in variables like average/peak oil temps and oil PSI for their driving/commute conditions too.
A question with no pertinent info will get whatever answer and comment, whether he likes them or not.
In other words, if you could replicate conditions long term for both, would it definitely show less wear using 3.4 vs 3.1 ? Or like Mr. Newton says if it's thick enough then making it thicker won't really help.
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Now you're picking hairs.... Read the SAE papers on HTHS. Too many variables. But in my experience, I'll take HTHS over automaker recommendations.
D
Deleted member 89374
Tests & Price List | Blackstone Laboratories
A comprehensive list of the more specialized tests we run. Any of these tests can be combined with the standard analysis.
IIRC it was more than that, probably because they tack shipping on to that $30. I was really close to sending in an M1 FS 0W-40 + 21oz. Lubegard Bio-Tech after a 6000-mile run in my HEMI. Sidenote, I no longer use Lubegard for anything. As I was filling out the Blackstone form and getting ready to write the check, I was thinking "what a colossal waste of money." I still have the sample in the bottle on a shelf in my garage. That was a couple of years ago, lol.
In the meantime, I had the opportunity to learn what oil analysis is good for, how to sample a baseline, and then how to consistently sample to build a trend so I can determine if anything is out of the ordinary and the quality of the lubricant. And I still don't do it, and probably won't be doing it for the foreseeable future, because I don't think I have a need for it.
Right, but then he could have included a lot of northern states instead of stereotyping.
OVERKILL
$100 Site Donor 2021
I do the odd UOA just to check for fuel with the SRT's, haven't done one on the RAM, but may eventually just for a baseline. Clearly, since I'm interested in fuel, Blackstone isn't an option. I ordered a couple OAI kits, which will provide the information I want via GC.
I used to use Toromont CAT, which was more reasonably priced, but they stopped offering GC fuel unfortunately.
OVERKILL
$100 Site Donor 2021
Yes, he could have.
I rarely do it either. If I were to look back it’s the times when I suspected coolant or fuel contamination or I was attempting to see if there was a viscosity deviation due to mechanical shear. But then again that’s not the spectrographic portion of the analysis.
Not nitpicking just asking a question.
So...Not quite as cold as Vermont, New Hampshire, or Maine?
OVERKILL
$100 Site Donor 2021
Yep, and definitely not as cold as Winterpeg, lol. Think the lowest I've seen is -32C here? So, approaching the CCS temp for a 0w-xx and below that of a 5w-xx.So...Not quite as cold as Vermont, New Hampshire, or Maine?
Bumping up a KV100 grade gives better HTHS viscosity and MOFT headroom for some added wear protection. Any engine specifying a xW-20 can run a xW-30 without any worries.
How do you know it will always be "thick enough" in every driving condition over the entire OCI? Ans: You don't. Nothing wrong with MOFT headroom, except maybe a hair less fuel mileage.
What's the owner's manual say to use? Bet you're up a grade using that 5W-40.
From the relative wear vs HTHS info sources posted here many times, when the HTHS gets above 3.0 the wear difference falls off much less as the HTHS increases than the difference in relative wear between 2.3 to 3.0. Most xW-20 typically has HTHS viscosity of around 2.6 to 2.7 cP.
If a vehicle is used in conditions where the oil temperature in the bearings is getting way over above 150C, then the oil dynamic viscosity (cP) will be even lower than its advertised 150C HTHS viscosity. That's why Ford, GM, etc spec a much thicker oil for track use, like xW-40 or xW-50 which has a HTHS quite a bit over 3.0 cP.
Using xW-20 for every day benign driving conditions where oil temps are 200-220F and normal loads (no heavy towing, sustained high speeds, etc) the xW-20 would probably be "adequate" most of the time, but going up a grade will give some added protection headroom on top of mostly "adequate".
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Jackson_Slugger
$50 Site Donor 2022
And the vehicle is obviously equipped with an oil cooler, so...
Jackson_Slugger
$50 Site Donor 2022
It varies from 0.3-to-0.5 actually, and it's not such a small thing when people cry about $6 a gallon gas, is it? And of course it's far more noticeable in colder months...
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