At least you figured out how to make it burn less. Ill keep oil samples in mind but I believe when you got a few extra bucks you should figure out...
if you're not worried about budget, go for the longest lasting option and always change early. I always go for the closest to full synthetic and...
starter isnt getting enough amps. this will get worse as it gets colder. Thats why your motor cranks worse the more you try. if you can't test...