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  1. 6.4 Motor Problems
    Okay so here's the back story. I have an 08 6.4, with 137k miles. KEM tuned, all deletes, and some other goods. So a while back I was starting to hear a thumping sound, sounded like it was coming through the intake. After further reasearch I was pretty well determined on it being a rocker arm...
  2. 6.4 Motor Problems
    Hey guys, so I'm about to replace all my rocker arms on the passener bank of cylinders. I'm kinda confused on some stuff tho, like setting valve lash, ect. Do I just put each assembly on and adjust valve lash to spec? Or do I have to make sure surtain cylinders are on Top dead center or not...
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