Mopar 318 2 barrel, and 727 3 speed automatic, based on a Dodge A108 van from 1966, the long wheelbase version of the A 100
http://www.barrett-jackson.com/Archive/Event/Item/1966-DODGE-TRADESMAN-A-100-BARRIS-CUSTOM-SUPERVAN-188806
sold for 62 thou http://www.hotrod.com/events/1603-2016-barrett-jackson-gold-27-weird-chrysler-facts-you-didnt-know/#photo-08
Of course, it looked better in the 80s
http://www.wheelsareeverything.com/2015/08/toronto-1980-1981.html