Here we go again. Dinqua's favorite subject.
Truth of the matter is that all the new syncthetics do a great job. Just don't use one with additives because it will coat your clutch plates.
What's more critcal is keeping your oil clean. Use a good oil filter and keep air filter clean. They will help keep your oil clean between changes. Change often, especially if you live in dry and dusty areas. These new oils don't breakdown but they get dirty and that's what you don't want.
