I have been logging all my oil changes with Pennzoil warranty program. 10 years 400,000 kilometers, free warranty for using their product. Should cover me for as long as I own the truck. My Ford dealer didn't want to do anything when I showed them the original oil change with 8.5% fuel dilution on the oil I drained from the new engine at an early OCI. Ford won't do anything unless a check engine light comes on. Was thinking about using a Catch Can, but didn't want to modify my engine to give Ford a reason to deny warranty.