My thinking on this is like buying a television set for pennies on the dollar and when it goes bad just throw it in the trash. You will find it cheaper to replace than repair.
My $.02 worth. I could not afford to get the Chevy Diesel but wanted enough engine to do the job with what I had to pull. Getting the 8.1 to me was not a option, I felt if I were to get an engine with that many horses, I might as well get the dies...