No my 71 is a 318 car with a 72 340 in it.
The 71 came with the original bill of sale from Huntsville Dodge in Alabama.
The buyer ( Joe W. Miller ) traded in a 1970 Swinger + $1049, for this 71 Swinger with A/C on 8/24/71
Also found the original warranty card in the owners manual with all the same info, buyer name, VIN, dealer, purchase date