One of the worst diesel engines..ever...
Owners like to brag how many times they have rebuilt their engine in the past 200,000 miles, that cant be a good thing lol....there are a couple forums out there with the "common problems" and such.
Broken Crankshafts, Cracked Heads, Blowby, Faulty Injection Pumps, the list goes on. i just sold my 6.5 after I found out what the repair costs are associated with the items and the frequency many people have with severe failures on the trucks.
comes to mind
Lets not forget the trucks have poor resale value.
If you need a diesel look at a dodge, they are generally considered much more reliable...you can probably get a cummins with higher miles around the same year that will likely be much better in the long run
duramax are a whole different story as far as reliablity goes, they are signifcantly different
Dont take my word for it..talk to a few mechanics that have first hand experience with the early chevy diesels.....