It's not unusual for a high compression engine to eat a quart between oil changes. Obviously, though, a quart every thousand miles is extremely excessive.
Mine is eating about the same- one quart per thousand miles.
Regardless of the TSB, engine oil consumption falls within the 5yr/60k mile warranty. They will do a consumption test (seal the dipstick, mark the oil fill cap, drain plug and filter) and replace the short block if it fails.
I had to deal with the same thing on my '06 350. Good times.
I'll be taking my car in this month sometime to get the test started.
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