So I picked up this 12 focus hatchback with 71,000 miles on it three months ago for 5K. Changed the oil put a clutch in it, put a set of continental tires on it. It has almost 82K now and 2 oil changes. I do 100 miles round trip for work a day. Car does 90/10 hwy/city mix and about 20 mins a day idling. I’ve been using Motorcraft synthetic blend 520 and a Motorcraft filter for 5K oil changes. You think I could stretch it to 10K?