Which oil cleans more: HPL or Valvoline Restore and Protect?

Hasn't been determined. R&P is a new technology where as HPL is using the traditional high solvency/detergent way which is proven. If you're using HPL you shouldn't have any carbon ring build up.

R&P is also limited in terms of viscosity grades. It's also not as long drain capable as HPL.

R&P has a unique chemistry that even impressed Dr. Warholic who worked for Infineum for over 16 years.

Cleaning piston deposits is not an easy task. Valvoline had to really make an oil with substantial group V (50%) for it to be able to remove piston deposits. Cleaning sludge and other carbon is not the same as piston deposits, something that most get wrong.

You'd have to run a test and tear down the engine and look at pistons, which no one is going to do.

Valvoline does give you this:

View attachment 247987
Unless Valvoline is committing fraud by publishing fake pictures that is impressive. I have no experience with either to comment if one is better than the other.
 
I’m at 3700 miles on my 1st run of hpl on a car that had idemitsu every 5k since new and sits at 42k. The oils darkened a bit, but nothing dramatic. Chances are my engine wasn’t dirty to begin with so I have nothing eventful to bring to the table.
 
Unless Valvoline is committing fraud by publishing fake pictures that is impressive. I have no experience with either to comment if one is better than the other.
I agree. It's highly unlikely. Would be more likely if it was some small no name blender with no testing facility.

In my opinion it seems to be great at cleaning the tenacious piston deposits, but not much else can be said about it in terms of volatility, oxidation resistance, shear stability etc. Point being, it seems very good for its intended purpose but beyond that it's unknown.
 
I’m currently in the middle of a R&P test on an oil burner. When complete I will post all the details, probably in the spring. If it does work it’s literally a game changer IMO, because of the cost.

I will say this. My next new car will get HPL or Amsoil SS from day 1. I don’t want to deal with another oil burner, especially with the cost of new vehicles. I can also say 5k oil changes with top tier otc oils did not keep my low tension rings from sticking. But the rest of the internals look new.

Simply put, the above bolded comment is why, after 2,300 miles of the factory fill on my ‘23 Highlander Hybrid 2.5L, I am now using HPL premium(+) PCMO for 10k mile OCIs.

And I don’t lose sleep at night because of my choice of oil brand, viscosity, or OCI.
 
Simply put, the above bolded comment is why, after 2,300 miles of the factory fill on my ‘23 Highlander Hybrid 2.5L, I am now using HPL premium(+) PCMO for 10k mile OCIs.

And I don’t lose sleep at night because of my choice of oil brand, viscosity, or OCI.
Do you toss or turn any with flashes of "denied warranty" due to no official API certification?
 
Do you toss or turn any with flashes of "denied warranty" due to no official API certification?

Uh, no!

First, one would have to have a valid claim under warranty and having receipts showing compliance with the 10k mile or less OCI should suffice, assuming the issue is even oil related.

Secondly, if the issue WAS oil related I doubt they’d argue it was the quality of the oil that caused the mechanical failure versus the fact the mechanical PART itself is what likely failed, regardless of the oil in use.

What would likely stir the pot is the Toyota reps standing there scratching their heads and saying “How could this have failed when it looks so clean and shows such minimal wear?”

Now, considering the hour at hand, I’m off to slumberland to potentially lose sleep over more critical matters such as, “will the world finally get a grip on reality and ditch the slobbering over anything related to Taylor Swift?”
 
I’m at 3700 miles on my 1st run of hpl on a car that had idemitsu every 5k since new and sits at 42k. The oils darkened a bit, but nothing dramatic. Chances are my engine wasn’t dirty to begin with so I have nothing eventful to bring to the table.
I noticed since the very start of using HPL oils (not engine cleaners they sell) the oil does not turn dark nearly as fast as any other motor oils did that were used in the wife's engine. About half way thru the 3500 to 4500 mi oci I run , it will slowly turn dark as if it is eventually doing some type cleaning of the engine insides. Nothing dramatic as the filters always look normal when doing the regular oil changes.

Hard to say if really cleaing or not as turbo engines , smaller ones even more so are known to darken the oils in normal driving use. I like + have used Valvoline in all of my classic cars thru the years with very good results.

I have a good bit of HPL already so it will be a while till I get around to any test use of the new Valvoline R&P product. Certainly will pay close attention with great interest to these posts/threads as I am very curious to hear of folks results/experiences using it. (y)
 
I didn’t ask about controlled tests. I wanted to know real world results like few here have shown pictures of.
That still won't answer your question of which one works better.

For example if BITOG member A says, "I ran HPL in my Honda and found carbon bits in my used filter. It really works".

And then BITOG member B says, "I used VRP in my Hyundai and the oil consumption has been reduced by half a quart over the OCI".

Then all you'll know is that both of them do something. Nobody here can tell you which one works better though, head to head.
 
And I don’t lose sleep at night because of my choice of oil brand, viscosity, or OCI.
That's because you have-yet to receive an engine reaction to a particular oil. Once you begin receiving reactions under the hood, you will think differently when changing oil brands, viscosities and/or OCIs.

Having used a few different boutique oils in the past year or two, I am in the early stages of belief that Group III oils deliver the quietest HyunKia engines. Not Group III+...... not a blend of IV and V. I am not intersted in purchasing the value priced Group II+ synthetics, so I refrain from any decision-makings on those.

Thankfully I do short OCIs and I could rest comfortably at night going back to Group III ILSAC / API / PCMO motor oils. I'll know more about my future plans at the end of winter. My trials on Boutiques should render me a decision by-then.

These two Hyunkia products I own are the world's perfect vehicles to do oil experiments on, in regards to cleanliness, quietness and consumption research. Everyone that's a BITOG member should already know that the primary strength of Boutiques are it's ability to render long-long OCIs. But that's never been my intent.
 
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