Hey if it runs good and delivers fuel, don't go poking where you don't need to. Enjoy it and drive it. If it ain't broke don't fix it.

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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