AG09,
If you are close to Houston you can come see two coaches and both engines for yourself. I just sold my 8V-92 coach and it is stored across the airport from the one with the Series 60. I personally liked the 92, but I had a long history with them, so I wasn't spooked. I'm like Ray; the 60 rattles when it idles, starts easy enough and has a bunch of low end torque. And it gets better fuel mileage and makes a big whistling sound when you go thru the tunnel at Mobile Bay and stick your foot in it.
Jerry