Duster guys- what year do you have?

1971 340 Factory 3 "on the floor" (now 4 speed of course) warranty replacement non number stamped 340 engine. Decoded to have the following options: Tor-Red paint (Hemi Orange) Blacked out hood with 340 wedge graphic and Hood Pins, Go-Wing, black 340 stripe, Black painted on Cowl and around Windows