I beg to differ. The EcoDiesel only calls for an oil change every 15,000 mi. With the savings in fuel mileage, it comes out even with, if not ahead of, the hemi. BTW, I have owned both, and currently work for FCA.
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You work for FCA, and you're giving advice to folks on a public forum that will void the warranty on their brand new engines? Hmm...
The manual specifically states that under no conditions should an owner ever pass 10,000 miles between oil changes on the diesel, which infers that oil changes would be more appropriate at 7,500 miles on this engine.
We've seen at least one thread where a guy had an EcoDiesel failure and FCA found that he went a little over 10,000 during one of his oil change cycles which resulted in them denying his warranty claim.
I'm going to do my first change at 5,000 and then probably 7,500 after that. Diesel engines are not cheap.