I'm looking at 80's vintage Hatteras convertibles so of course I'm looking at a lot of high hour Detroits. Some have already been rebuilt and some are probably approaching time to rebuild.
My question is how many times can a DD be rebuilt? I'm particularly seeing 6v92 and 8v92 in 45C and 52C.

I'm not a fisherman. I'll be cruising in a convertible so a leisurely comfortable speed is fine with me. If I find a recent rebuild or if I have one rebuilt, can I assume that I will not be dealing with another rebuild for a couple of thousand hours if I treat the engines nice and don't run it too hard?

I appreciate the experience shared on the board and look forward to some input from the veterans here. I've never owned a diesel.
Thank you.