I have 25K on my 07 fusion 3.0L. I am looking for an oil that I can change once a year or so. I would like to go at least 12K/1 year on an oil change. I drive a 50/50 mix of city and highway. The temperatures that I drive in range from 20-100 degree F. I am pretty easy on the car, especially after startup. I currently run 5-20 motorcraft semi-synthetic and change it out every 3 months/3K miles. I was looking at amsoil ASM 0-20 and their filter because both are rated for long term use. Plus, I have an amsoil account. Money isn't a huge deal but I rather not spend a ton more if there is no need to. Any suggestions?
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