Deleted member 7951
Drive it like you stole it!
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That's essentially the maximum interval operated in other than "severe service." Most people actually use their vehicles in ways that qualify as severe service. If that applied to you, then you're actually going longer than Ford wants.I'm still on the factory oil at over 8k miles. I'm not worried about it, and plan to switch to fill synthetic at 10k with 10k intervals unless something looks off.
Most oil threads are.This has been entertaining to read.
I just did mine at 750 miles.First oil change at 250
Next oil change was at 500
Following oil change was at 1000
All oil changes for my remaining ownership of the vehicle will be at 3000 mile intervals. Bit this isn't my daily driver.
There is no fun in following that line of thinking.How many people have had engine failure due to choice of oil brand or a reasonable time/mileage oil change interval? Seriously. You can run optimization routines endlessly but eventually you are wasting time and energy. Are you keeping the vehicle for 300,000 miles or are you trading up in a few years to the next glitzy, pretty ride? Change the oil when you feel like it, drive it and all will be okay.