I'm not saying that they will never have a cracked head, all engines crack heads under the right circumstances. I was merely pointing out that the rumors have died down considerably now that they have been out for a while and have proven themselves.
I used to hear how those aluminum heads would never hold up on a diesel and that there were dealer lots full of trucks with cracked heads. Of course, when challenged, they were unable to provide the dealers names. This year I haven
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My diesels
97 Chevy C-3500 Dually, 6.5TD
85 VW Jetta 1.6L N/A
85 Mercedes Benz 190D 2.2 N/A
85 Surburban 2500 4x4 6.2 N/A
83 Chevy G-30 Van 6.2 N/A