1973 Dodge Dart Sport 340 { Trades? }

My finding as for the production #s go are as follows

1973 Dart Sport 340 11,315
1974 Dart Sport 360 3,951

1973 340 Duster 15,731
1974 360 Duster 3,969
1975 360 Duster 1,421
1976 360 Duster N/A

Small Block