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Reality is bizarre. Much like the moose calf nibbling on the neighbor's tree this morning... it's winter here.

As stated on the front of the jug or bottle, I expect an oil to provide the SAE viscosity protection purchased for the duration of a normal, if not short, oil change duration. I would expect most every customer to want the same. This is not unreasonable. Plainly, Pennzoil is not providing that...

There's a difference, but it isn't much of one. As I stated earlier: Given today's prevalence of GDI engines causing fuel dilution, perhaps blenders should produce products that stay in-grade for at least a short duration OCI, or 3000 to 4000 miles.

Specifically, what's wrong with the historical flashpoints presented in the bottom Blackstone report in post #7? Compare and contrast! Enlighten us all...

If your numbers are correct, I'm okay with that, as the Super Tech stay in-grade.

In this thread, Navi's ecoboost historically presented less than 0.5% fuel in oil levels. So overall, are you telling me that sold multi-vis oils that start out with a higher viscosity number @ 100 degs C do NOT have a better chance of staying in-grade over a normal OCI as compared to oils sold...

No. As stated in post #1 in this thread, the UOA's surround Navi's same engine, a Ford Ecoboost 3.5L 440 horsepower Generation 2 engine. Given today's prevalence of GDI engines causing fuel dilution, perhaps blenders should produce products that stay in-grade for a short duration OCI, or 3000...

What? You seem to be revealing the problem is that a less expensive, competing oil performs equally, if not better in some cases, as compared to the so-called premium options. I'm okay with consumers becoming commonsensical and prudent and not paying more.

You are the life of the party, eh? Huh. PUP? Consumers shouldn't pay more for oil that starts its life at the basement bottom of a given SAE range cannot remain in grade at the end of a short OCI.

Very good. If you intend to use ST going forward (there's no reason not to at this point), please keep your OCI's at 3000 miles, like the current ST test. In reality, anything over that is really pushing oil in your local stop n' go environment. IMHO, it's just as severe as my Alaskan enviro...

True. But, I'm sure there are many, if not a hundred or more ST 5W-30 UOA's on this site. That aggregate grouping, taken from numerous vehicle engines in differing climates, has likely shown itself to be respectable. Can we say the same for PUP or regular Platinum? Does it typically stay...

The Super Tech remains a 30 weight, and the wear metals are very low for the duration. Gotta like that. ST for the win.

Sorry to hear about the Titanium change; it was to be expected though. No matter the gas pickup truck I drive, when my OG Fram Ultra's are gone, I'll switch to Purolator Boss or Royal Purple filters and their screen-backed filtering media. That is... if they hold to current mfgring processes...

Good question.

Hey John -- you've stated a great case for 10W-30 usage in your engines. This has been a great thread.

Here is harsh Alaska, my cheap commuter Equinox, with a direct-injected 2.4L I4, begins to readily burn oil around 2500 miles usage. That's somewhere between 65% and 50% on the SUV's OLM. I change before it reaches 50% anymore, depending on how fast I'm able to do the work myself. In severe...

If I'm not mistaken, the cSt viscosity @ 100 degs C starts out around 10.7 for this this Valvoline EP 5W-30 oil. So, it's down about 0.9 cSt over 7900 miles. It lost between 8 and 9-percent of its likely original viscosity. It did stay in-grade ... I believe this is a selling point Valvoline...

@ThatNavyGuy I'll go along with that. Look at the moly! Likely has something to do with the great wear numbers. I don't believe Valvoline makes an "extended drain" oil.

Yes. The overheat event likely did take a toll. Though, it appears you've cleared that hump, and it's operating normally once again. The recent AMSoil OCI ran well for you given its low iron wear numbers, strong in-grade KV100 of 9.11 when tested, and its strong remaining TBN @ 6,200 miles. That...

Funny how product marketing and product "fine print" often don't match. By design or by design? :D;):cool: