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As stated before, it used to have a better base oil in the formulation and the UOA themselves appeared fine. We were less informed at the time on other factors though. Remember, AFE 0w-20 had a good % of PAO before. The issue is simply piston deposits. The wear numbers are fine. Iron...

Bet the most volatile have the highest co-pay! 😷 🤣

That’s really the only point I had sharing my experience before, the LubeGard red going into a transmission with some sort of symptom with fresh ATF and having good results. In my case, it was a neglected transmission trying to limp it along and subjectively the LG red helped with lockup of the...

Half way through interval 3. 13k miles in. I commented on that a few posts up. And yes, that’s why I’m still using it. Results will be posted. ;)

Thanks for posting. It'll be interesting to see what going back to annual does. Likely helps the average trend back down a little, but in the end mostly a footprint typical for this engine it would appear.

Not to re-hash this, but this was totally regarding my post which was way off base. I had confused the OP's vehicle sorry! But glad to hear of the update! :)

I'm trying it for now. Consumption was at an acceptable level before (1 Qt/4k miles). But my vehicle is best suited for extended OCIs for my usage and preference. It's currently using more oil on Valvoline Restore and Protect actually (1 Qt/3k miles). TBD if the needle moves before I decide to...

@mt23 So, if I'm reading that right it's actually 20k miles on Valvoline Restore and Protect? Thanks for the details.

Do you mind sharing during those 30k miles, how the consumption rate changed and how many intervals it was? When did it start improving it's oil usage? Also, what's the total miles on the engine when you started? I'm at 13k miles into consecutive Valvoline Restore and Protect use in my 07 Fit...

@ZeeOSix Good explanation of what that might look like. I think the limits of those tests are the debate between what's the acceptable level and the correlation between there being more of a minimum standard, rather than optimal. I don't think it's a coincidence, for example, that Amsoil...

I suppose I merely wish we could have the data on a test at the lower temp to know for sure out of curiosity. Maybe some formulation differences could reveal slightly better or worse volatility between the two at the lower temp than seemingly the same rate of volatility as Noack may demonstrate...

I think the coldest it gets in our states is single digit degrees F in the coldest of winters and only for a spell or two at most. The lowest typical per year is in the teens. And, while 10w can work just fine at that place, as I mentioned the 10w doesn't have PAO for w/e reason despite also...

I’d stick to 0w-30 or 5w-30. No need to simply chase the lowest bench race on 1 test. It’s unclear if 10w has any PAO for example, as it’s not shown on the SDS. And, none of the AMSOIL Signature Series oils has a poor Noack score. Anything under 10 is pretty good. Beats almost every OTS PCMO...

Well, I’m not chasing the lowest Noack score for one and the W grade will get worse over an extended OCI. I’m happy with the Noack of all AMSOIL Signature Series lineup actually. Not a single one is a concern or “too high”. I just chose 5w this time out of curiosity. ;) Also, while I believe...

Biggest concern could be dirt ingress if the air filter/intake system isn’t taking care of potential excess dust while off-roading, but a UOA will tell you if that is happening so you’ll know for sure with those results, too! 😎

He’s just been waiting a really long time. ;)

Very true. It’s not a useless test, just that it could be perhaps even better at finding a correlation to = definitely will deposit or consume more. It’s a “likely” sort of result but perhaps not a guaranteed outcome for all use cases? The limits you noted are those acceptable thresholds (15%...

That’s true. I suppose it’s more of an issue with high volatility oils creating deposits in the first place, but not every engine will suddenly begin using oil just because the Noack test is on the higher end of the “passing” grade. Engines more prone to deposits? Sure. But regardless of the...

And yet, many report consumption down or gone after cleaning up the rings. 🤷‍♂️ I think this underscores the issue with Noack. It’s a test that isn’t necessarily reflective of real world conditions. Good test and indicates volatility at a whopping 482 degrees Fahrenheit, but at what point are...

Perfect filter for going a full year on the Amsoil. Do you have any UOA data yet for Amsoil Signature in this particular vehicle to reflect the outcome with its driving conditions? I used 0w-30 in the Fit for a couple consecutive intervals; 9 months and 12k miles followed by 10 months and 14k...