Quote Originally Posted by Fivefingerdeathpunch View Post
Spark plugs, if they never have been done.

Otherwise really you are just waiting for normal wear parts like pulleys and ti rods/wheel bearings and so on to start going.

Good to know. I know the 3.8s are bullet proof and just did not know how these 5.3s hold up. Figured being part truck motor and part LS1, they should be pretty reliable.