KevGuy
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Originally Posted By: Cristobal
The Fram OCOD is a basic filter good for short interval oil changes, though I have run oversize ones to 7500 miles in a pinch. It is unwise to stretch it past 5000 miles. I think the OCOD is better than STP E-Cores, though.
The Tough Guard is good to 7500 miles or so. It's actually a pretty good filter.
The Extended Guard will do 10,000 miles, and the Ultra 10,000 miles, maybe more.
The Extended Guard/Ultra are very, very good filters.