Would a 4.0motor from 2000 explorer work in my 2002 explorer 4.0 be compatable on 2002 Ford Explorer

What is the reason these 4.0 v6 motors break timing chains . What's the main reason this happens cause I jus replaced motor6months ago and timing chains are slappn again please tell me what the deal is

by in La Fayette, GA on August 18, 2013
2 answers
ANSWER by , August 19, 2013
need to make sure it is a over head cam engine and not an overhead valve engine as they are different and ford used both.
ANSWER by , August 19, 2013
see previous post