New to the site and came looking for advice. I'm nearing the point of having to rebuild my truck or look into a new one. I have a 96 F250 4x4 with a 7.3 powerstroke turbo and an E4OD trans. I bought it used in 2000 with 16,000 miles on it. I now have 450,000 miles. I love the motor. I replaced...