How to build a 13 second 340 Duster

I`m with Adam on this one, just build the engine to 68-71 340 specs, perhaps a 3.55 gear, and cram as much slick as you can get in the wheelwell. If you can get it to hook up ,then 13.00 should be simple. My stock 68 Dart 340 A/T ran 13.80`s with street tires.