[Werner]

I would like to clarify something else:

No A-motor will be damaged if it is driven with "Rotella" for diesel engines. Everyday wear is no different.

But with this oil, more will deposit carbon residue and ash than with a similar Shell oil for gasoline engines.

The extent to which over the tens of thousands of miles to worse cylinder filling due to coked valves and combustion chambers (worse gas exchange) and perhaps glow-ignitions depends on how the car is driven and whether in the fuel cleaning additives (detergents, MMO) are added.

The Rotella oil is undoubtedly a good oil. But for the A, there are more optimal lubricating oils for the same money.