Corvair Duel Ignition

Corvair Dual Electronic Ignition

Page 5
The advance weight springs need to be lightened. JEGS Performance has a Pre-69 Delco-Remy distributor advance weight kit for under $10 that comes with light, medium and heavy springs and a set of weights. The light ones should get all your advance in by 2000 RPM.

I have not got mine yet as of making this web page but they are on order.
Mount the new point plate to the distributor housing with the two stock screws. Replace the two screws that held the vacuum advance on and Loctite
Select one of the two 6 cylinder shutter wheels from the two XR700 kits. Place it on the distributor shaft, rotate it until it fits with the cam lobes. Push it on with the new rotor. Don't push by the shutter wheel you can damage it.