Originally Posted By: wcbcruzer
Say I go with an Amsoil filter Eao80 that's good for 25,000 miles... Would you guys say it's a good idea to change the oil every 7k miles or so and leave the same oil filter on? I could do an oil analysis but it would be the same cost as just changing the oil so I figure I might as well. That way I get a fresh sump too.
I can't answer your question directly, because I always change oil and filter at the same time. In most cases, the filter is cheaper than the oil, so folks ask about changing the filter but not the oil. You want to do the opposite, which makes me wonder whether an expensive filter really makes sense?? And you don't want to pay for a UOA, so again I wonder what you expect to gain from an expensive filter?