Hot take: my 12 year old nephew asked why my shop truck sounds like a tractor and I didn't have a real answer
Kid stood next to my 7.3 at idle in the driveway and asked if it was broken, so I gave him the whole spiel about compression ignition and injector clatter, and he just goes "so it's supposed to sound mad?" and honestly now I can't hear a power stroke without thinking about it, anyone else get humbled by a child asking the obvious question?