The performance change is also not quantifiable. We all know that they are looking for ways to make things cheaper, and have us believe that performance is the same or better. Cheaper/faster/better
TRASH OIL. Used it for 6 OCI's 3500 miles and it didn't do anything. I used Valvoline R&P for only 3 OCI's 3500 and you could see the difference using a borescope. With Mobil 1 everything was still black in the cylinders.
TRASH OIL. Used it for 6 OCI's 3500 miles and it didn't do anything. I used Valvoline R&P for only 3 OCI's 3500 and you could see the difference using a borescope. With Mobil 1 everything was still black in the cylinders.
Be careful, there are a lot of Mobil 1 fan boys here, though it does seem a bit odd it did not do much of anything, Valvoline R&P may be a better product which it is.