I just sold my 00 7.3 Power Stroke with 214K miles on it. The buyer was a roofer who uses 99-02 7.3s for his crew trucks (7 ea.). He has one truck with 750K miles with original the engine. He said you can't beat them.
Eddie
I would not hesitate to start anywhere with my truck. I've replaced everything (some 2 times). Alt, starter, power streeing etc. but the engine itself has not cost me a dime.
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Putting a smoke detector in my chimney wasn't such a good idea.