68 340 4-speed distributor

Ceedawg said

My thoughts they were all vacuum too, this guy insisted his 68 Dart 340 came with a non vacuum one.

Click to expand...

He may have gotten it that way, but from the factory the Prestolite dual points were vacuum and centrifugal.
Hustle Stuff/Direct Connection may have offered a strictly centrifugal version, but it wasn't used on the assembly line.