Why the /6

Excellent thread! I'm interested to hear all the reasons. For me:

Mom's '66 Valiant drove the distance to the moon and partway back before a careless driver hit the car.

Inline 6's have an even firing order so they are smooth.

They are simple to work on.

I still remember the first time my Dad opened up the new Valiant on the highway, me in the back seat, his words "this car's a bomb!"