Originally Posted By: DSparks
7000 miles in a clean engine too long?...come on guys really...
I agree, I've ran 8k-9k OCI's with GM vehicles (as per their OLM). The Fram and AC Delco cartridge filters from an Ecotec were never wavy. On a 5.3 Silverado I only opened one filter, a Bosch (made by Purolator, PureONE level media) after ~9k and it looked fine. A minor amount of wavy media but not as much as that Motorcraft. 7k should be no problem, the Ford OLM is likely to go 7k-10k for most drivers.