GF just purchased an 07 nitro with 63 miles on it....Sweet! Now I can have some fun with the lubricants. The warranty allows for a 6k drain. I chose the Amsoil 5w20 xl for the app. Right now there are 1200 miles on it and I am itching to get the factory fill outta there. Would you gentlemen considder this a godsend to be able to monitor an engine since day 1? for me, this seems like a fantastic excuse to start getting her to pay for some uoa's. Let's hope fellas.