The Dart is DEAD!!

Tell me more about that distributor, will it run the car with no ECU ?

Yes they will, Ballast and ECU are eliminated/removed. it contains a HEI module, so it's a simple 12V ready to run.

Here are all our ready to runs for a SB (you'll have to stick with one of the small caps in most cases for firewall clearance.
Super Stores - Mopar SB/BB Superstore - Ignition System