Ok, I'll be the first to say it so you guys don't have to, I was probably a dumbass for waiting so long to do an oil change. Thought I'd post up my recent Blackstone Lab oil analysis results though. Mileage between change was 15,466 and it was exactly 3 weeks shy of being 2 years between changes. Mileage at the time of this analysis was 86,866 right before I took a big 2,600 mile roadtrip down to Savannah, up the Gulf coast of Fla and back here to Cincinnati. Just rolled over to 91,000 miles last night. Car has been running great! I'm going to do my next change at a 10k interval and see how things are holding up.