Valvoline Restore & Protect

It was speculated a while back that M1 HM EP used a good amount of AN. I have no idea if that's true. I'm not sure if the EP HM can clean more than the EP.

I'm of the opinion that they can clean, but limited to sludge and easier to remove deposits. I trust the Valvoline guy that worked for Infineum for 16 years when he said piston deposits are another animal and almost impossible to remove.
 
Well in truth, it was mostly group III PP and I went a bit too long on ODI sometimes by following the OLM to 0%. I figured the OLM was calibrated to petro and I could get away with it using at least a group III. I think that was true in terms of wear, but not cleanliness. And as I've posted, I've come to believe that cleanliness is actually the more important thing in a modern engine.

VRP is the right oil at the right time for the needs of many of today's engines. IMO.
My theory is that even name brand group III synthetics run for a 5K OCI is too long leading to deposits - especially oil ring deposits . My Hyundai / Kia always receive 3.5K to 4K mile / 6 month OCI’s with M1 which is being continued with VRP . *Even if I had another brand of vehicle with a similar 5 qrt. sump , I would continue with 4K mile max / 6 month OCI . Lastly , if I decided to use another oil again (after running VRP for at least 6 OCI’s) it would be with M1 0W30 ESP. However , when VRP cleans as well as it does and offers great wear control as it does - why even consider changing back to another oil ?
 
However , when VRP cleans as well as it does and offers great wear control as it does - why even consider changing back to another oil ?
Why indeed.

One reason I went HPL instead of VRP in my GX was that frankly it's a pain to yank the skidplates and stuff to swap filters and I want to push OCIs as long as I reasonably can. While VRP is excellent in wear protection and cleanliness, it hasn't been proven in long OCI usage like HPL has. If I'd be dumping VRP every 5k miles, I can go at least double that on HPL and it costs nearly the same.

So if I can get no worse protection or cleanliness with HPL at no worse cost and deal with skidplates and such half as often, I will. I think I can, so I am.

If they ever make an EP version of VRP, then the economics will be pretty compelling if indeed the oil lasts 10k+ with margin.
 
All we need is Euro grade R&P!!
Yep that would be the perfect oil for sure. I have to believe they are working on it. Not sure what the requirements from MB, VW, Porsche et al. are for releasing ingredient lists (like Dexos apparently requires), but that would be the only reason I can see that they don't release a Euro R&P.
 
I'd love a diesel spec version for my 7.3!
My diesel takes 15 quarts.

I wonder if throwing say 2 to 3 quarts of VRP in with a quality diesel spec oil (with a robust additive package), over the course of a few oil changes, would give the cleaning benefit over time without diluting what a diesel spec oil needs to accomplish?
 
For sure, I understand that. About 5 miles to a destination and 5 miles back is the shortest trips I take, longest is usually not more than 10 miles each way though. Only drive 2 or 3 times a week typically. 141k miles on my car (I used to drive it more). I'm hoping within 18-24 months it could make a difference.
And I respect that challenge/recommendation, I should do a little more exploring while I still live here.
Maybe you should take a couple 50 mile to 100 mile weekend run around what ever state you are in to get some miles on. Enjoy the road trip.
 
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