My experience has been that in the era of the 216 most engines needed "refreshed" by 50K and a complete rebuild by 75K. Many, if not most, were in the junk yard by 100K. As always you will find exceptions to that but that's been my experience. Today's oils will extend those miles dramatically.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.