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Just because it came off an LDT doesn't mean it isn't an LDS turbo that the service (or a civvy owner) swapped because they had it laying around.
Go to the other thread and post a few pics of yours.
I believe so.
http://www.steelsoldiers.com/showthread.php?61801-Turbo-part-number-ID
EDIT: After re-reading that thread, not so sure. Please carry discussion over to that thread so we can finish that thread and find an answer.