Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Neither line is vacuum advance. Both are for the Centrivac governor. The distributer has centrifical advance. Coughing is a sure sign of ignition issues. I would replace the points and condenser and go from there.