Originally Posted By: andyd
Originally Posted By: KingCake
Originally Posted By: KrisZ
Switch to 5w30, shorten the OCI to 5k max and keep on trucking. Honda is not going to look at or act on result from a third party oil analysis.
changing to thicker oil is never a proper fix
5w30 is a thin oil. If you're worried about gassing, then you want a higher viscosity oil. No, thicker oil isn't a fix. Rather, it is a delaying action.
Sure. But as your grin perhaps implies, oil itself is a delaying action. If it wasn't, we wouldn't need to change it.
From a slight bit of skim reading, it seems that compronising long term oil stability is generally more important than viscosity loss.
This is because, while the light fractions of the fuel boil off, the heavy end can accumulate, and is less stable than the oil components and so promotes sludging. This'll probably be more of an issue with diesel, and will be affected by the oil used and the OCI.