Gary Hurst wrote: > I wouldn't even > consider 1500 mile oil changes to be overlkill for anyone wishing to keep > their car alive for the long run.
I don't know. Other people's oil analysis results have convinced me that, for most engines, even on dino oil 3000 mile changes are overkill. There are exceptions -- engines with no filter, for example, and engines run in really dusty conditions.
