I'm Old School. I change mine based on mileage. Started at 3,000 miles. After a couple of changes and inspecting the oil, moved that to every 5,000 miles.
I wouldn't go any higher than that - and may even bump it back down to 3K as she gets more miles on the clock.
During my last oil change, and with 82K on the odometer, I added some Lucas Oil Treatment.
She's running great! Now I just have to get that inside passenger door handle repaired...
Just An Ordinary Average Guy
With A Super Cool Car!