I understand the temptation to rush to use this new oil to see how well it cleans.I only have about 2,000 miles on the Mobil and I'm probably going to drop it just to put the Valvoline in LOL
But after reading the details, Valvoline recommends 4 oil change intervals at manufacturer recommended OCI, which nowadays is typically 10k miles per oil change. So 4 oil changes * 10,000 miles = 40,000 miles. So it's a slow cleaner.
So much can change in 40,000 miles. You might not even own the vehicle in 40k miles from now.
The other thing I like is to always use something that is "tried and true over many years".
This new Valvoline R&P oil formulation is so new, who knows if the chemistry and ingredients have side effects that could hurt the engine over the long term.
I have a big stash for next 3+ years of low priced full synthetic high mileage 5W-30.
Will monitor these types of threads for a while to see how the Valvoline R&P turns out, but I plan to play it safe with tried and true oils.
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