Valvoline R&P Oil Burner Test Results

FWIW, and you may have answered this earlier, why not just stick with VRP indefinitely? You're not doing extended drain intervals, aren't under the fine print of a warranty, etc. IMO, I would either keep running VRP on 5K cycles or simply stick with a boutique (HPL, Amsoil, Redline). Thank you though for running this experiment for all of us though!
 
FWIW, and you may have answered this earlier, why not just stick with VRP indefinitely? You're not doing extended drain intervals, aren't under the fine print of a warranty, etc. IMO, I would either keep running VRP on 5K cycles or simply stick with a boutique (HPL, Amsoil, Redline). Thank you though for running this experiment for all of us though!
Honestly mostly my own curiosity and to help others. I have the perfect vehicle to run these experiments.
 
I'm interested in seeing what happens with my 18 Legacy. Is yours the 2.5? If so, we have the same engine. My first 2 changes were done at the dealer though I can't find the records in mysubaru.com which is weird. I'm pretty sure both were 6 months but low mileage. I bought the car in June 2018. The first one I see that I did was in December 2019 at 9,264 and I used M1 AFE. So, only 9k miles in 18 months. I seem to be missing the June 2019 record too. ~3k miles later and 6 months, same thing. I didn't start 6k/6m oil changes until December 2020 and 17,342 miles (closer to 5k this first one) and I started using M1 EP then and have been using it since. I'm now close to 66k.

Hoping I don't developer any burning issues but we'll see.
 
So, Glenda, what are your expectations for this phase of your experiment?
My goal is to see if ESP will keep my now cleaned rings from sticking again. I use ESP in a handful of other vehicles and have been very happy with what I see. If a $27 Walmart oil is capable of keeping low tension oil rings free it’s a win for everyone.
 
I'm interested in seeing what happens with my 18 Legacy. Is yours the 2.5? If so, we have the same engine. My first 2 changes were done at the dealer though I can't find the records in mysubaru.com which is weird. I'm pretty sure both were 6 months but low mileage. I bought the car in June 2018. The first one I see that I did was in December 2019 at 9,264 and I used M1 AFE. So, only 9k miles in 18 months. I seem to be missing the June 2019 record too. ~3k miles later and 6 months, same thing. I didn't start 6k/6m oil changes until December 2020 and 17,342 miles (closer to 5k this first one) and I started using M1 EP then and have been using it since. I'm now close to 66k.

Hoping I don't developer any burning issues but we'll see.
Yes I also have a 2.5 N/A. If you’re at 66k with EP I’d keep on truckin. If you do develop oil consumption pleaser let us know.
 
And no reduction in oil burning with Amsoil?

AMSOIL crowd must be in shambles now after the release of VRP. Seems like the oil to beat now.
That’s a negative. I remember adding extra Amsoil and thinking to myself ‘this is getting expensive to keep topping off with this oil’. I was looking at it from an ‘evaporation’ perspective and wasn’t thinking about it from a blow-by sticky piston rings and varnished up engine. Now I know better now that VR&P has done something these other brands couldn’t do. And for the record, SuperTech and other less expensive brands have never been inside my engine. So what does that tell you about how this product works?
 
My goal is to see if ESP will keep my now cleaned rings from sticking again. I use ESP in a handful of other vehicles and have been very happy with what I see. If a $27 Walmart oil is capable of keeping low tension oil rings free it’s a win for everyone.
That 0w30 ESP is what is going in my 2024 Forester next. Since 6000 miles is the maximum OCI, while under warranty, it makes little sense to stretch it out with something like HPL until at least after the warranty period. This car is mostly highway, but I'll probably be aiming at 5000 mile intervals just because it's easy for the driver to remember and alert me at the 5000 mile nodes. Bought the car in May 2024, and it nearly has 20,000 miles already! (0w30 ESP is already in a new Toyota 3.5 engine.)
 
Honestly mostly my own curiosity and to help others. I have the perfect vehicle to run these experiments.

And for that I and many here thank you! I have a UOA scheduled for my wife's CX-90 that has been using HPL in normie OCIs ever since the break in oil change at around 750 miles and it just turned over 20,000 on the way home from dinner. If it comes back that it is a moderate to heavy fuel diluter, I'll switch to VRP or M1 ESP the next drain/fill as we won't keep it more than another couple of years and no use using the unicorn tears elixir in it if it is just getting diluted mandating 5K OCIs forever going forward.

I have an embarrassing stock of HPL in my storage unit that will be diverted to my TSX if that is the case, once it finished up VRP.
 
Unless there is complete blow by occurring, fuel deposits are not getting past two compression rings and halfway down the piston to the oil control rings causing consumption. Fuel quality has actually improved since the 90’s. I remember when Techron was recommended by GM to clean up the poppet injectors. I do run top tier to keep the injectors etc. clean.
Funny enough BG 44k is currently recommended by GM every oil change (7,500 miles in their eyes) to keep everything clean, and they even have their own Acdelco label on them in GM dealerships.
 
My opinion as well. Base oil and volatility come to mind. I personally haven’t seen evidence of fuel deposits in oil control rings and the engine oil testing also points to that conclusion.
Its not fuel deposits, its oil deposits, esepcially with some racing piston designs that manufactures like Toyota uses. Very tiny oil ring return holes, fuel quality is not a fix, one reason Toyota is using very low weight thin oils, so they dont carbon and block oil ring channels by 40,000 miles, which they were seeing.
 
Funny enough BG 44k is currently recommended by GM every oil change (7,500 miles in their eyes) to keep everything clean, and they even have their own Acdelco label on them in GM dealerships.
By General Motors the manufacturer per the owners manual for scheduled maintenance or as a GM dealership "recommended" add on?
 
Yep, Exxon or Mobil or Chevron or Shell …
Costco pumps are a three ring circus for me …
I convinced myself to use Costco 93 octane for a year or so, but like you said, going on a weekend when I was near there was a madhouse.....I now (gladly) pay almost $1 more per gallon just to get in and out and retain my sanity at the Shell near my home.
 
I'm interested in seeing what happens with my 18 Legacy. Is yours the 2.5? If so, we have the same engine. My first 2 changes were done at the dealer though I can't find the records in mysubaru.com which is weird. I'm pretty sure both were 6 months but low mileage. I bought the car in June 2018. The first one I see that I did was in December 2019 at 9,264 and I used M1 AFE. So, only 9k miles in 18 months. I seem to be missing the June 2019 record too. ~3k miles later and 6 months, same thing. I didn't start 6k/6m oil changes until December 2020 and 17,342 miles (closer to 5k this first one) and I started using M1 EP then and have been using it since. I'm now close to 66k.

Hoping I don't developer any burning issues but we'll see.
So you don't have any oil consumption yet? This is interesting since you and Glenda have the same engine and similar OCIs yet she developed oil consumption, and you didn't. The only variable was she ran Valvoline for a while after M1.

You guys are rapidly changing my opinion of Mobil 1 oils...
 
That’s a negative. I remember adding extra Amsoil and thinking to myself ‘this is getting expensive to keep topping off with this oil’. I was looking at it from an ‘evaporation’ perspective and wasn’t thinking about it from a blow-by sticky piston rings and varnished up engine. Now I know better now that VR&P has done something these other brands couldn’t do. And for the record, SuperTech and other less expensive brands have never been inside my engine. So what does that tell you about how this product works?
It tells me it lines up with Valvoline's report that "it's the most important product release in their company's history" or something to that effect.
 
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