Originally Posted by RobR
Check for spark at the plugs ! I'd bet it's weak...Check the resistance of the plug wires also...


He did, that's why I suggested substituting a good known ignition system to isolate the MSD from the trouble.

"Get spark on the plugs as well.


'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi