There seems to be a trend here. Latest R&T
"Use Castrol GTX for 57% better sludge protection than the leading oil."
"Cleans out up to 46% of engine sludge in the first oil change." PP
"Valvoline SynPower offers 4X better wear protection than Mobil 1." "SynPower is the only leading full synthetic formulated with more durable anti-wear additives that stay in oil longer."
Interesting....
"Use Castrol GTX for 57% better sludge protection than the leading oil."
"Cleans out up to 46% of engine sludge in the first oil change." PP
"Valvoline SynPower offers 4X better wear protection than Mobil 1." "SynPower is the only leading full synthetic formulated with more durable anti-wear additives that stay in oil longer."
Interesting....
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