I'm starting to lean towards buying a used 6.0 power stroke and I'm a total newb with respect to diesels, in general, much less the Fords. From what I've gathered, a bone stock is preferable vs. anything modified. Anything to look out for on bone stock 6.0's? I'm okay with 200k + miles but between the egr, head bolts, oil cooler, FICM, and other known issues, what should I look for?