Pretty modern swap.
This is my favorite part, which answers the question why swap on a modern truck:
Because Mopar.But the motor finally gave out at 172,000 miles. Started eating coolant, steaming out the tailpipe, and running like crap. No doubt a head gasket failure.
Not that it was a really great motor to begin with. From new, it used about a quart of oil every 1,000 miles, and got a stellar 13 mpg over it's lifetime, making a whopping 180 hp at the wheels.
Times have changed.