Quote:
Originally Posted by Hatterasguy
Diesels in boats typically run at 80% of max RPM. So whats max rpm for a 617? About 4,500? If it were in a boat then I would run it at about 3,600, for thousands of hours.
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I do, 3600 rpm is about 80 mph and the engine is very happy there. I tend to drive in the 3000 to 3500 range for hours at a time. I'm driving from WA to CO tomorrow (about 1100 miles), so that's about 14 hours at 80 mph.
