Good to know that this was one of those rare cases. Would opening up the hood vent like this guy (http://www.ramrebelforum.com/forum/what-did-you-do-your-ram-rebel-today/2994-working-hood-vents.html
) lower the risk of this happening since it's an overheating problem?
Honestly don't have an answer. There are a lot of speculations about what's causing it, and "fixes." The most common are:
Material issues and poor oil circulation design There are claims that the oil holes in the heads restrict flow, preventing proper cooling. Keep oil topped off to help.
MDS causes uneven heating in the heads which could exacerbate the problem. You can't have MDT without uneven heating so that's no surprise. Run without MDS, drive it as if you just stole it. Or just shut the MDS off with your gear shifter a few minutes before your trip is over, especially if you've been cruising at highway speeds with MDS active. Helps equalize the temps.
Clogged fuel injectors can cause cylinders to run leaner/hotter.
Heads are aluminum and seats are steel, so heads expand faster under heat and seats fall out. Using more valves means smaller seats, and smaller pieces reduce the expansion issue.
Happens mostly when engine was shut down after getting really hot, then restarted. When it's really hot, let it idle a couple of minutes to help cool it down and let the heads and seats equalize.
Again, these are all speculation and FCA has never acknowledged this as a problem, although there are enough dropped seats over the years... mostly since MDS was developed.