Bob, the torque spec for such delicate items are snug em up. Same with oil pan bolts and everything else. You only need specs on internal engine parts. I believe I mentioned this before and wished you would have followed the advice.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k