When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
Because the ignition outputs don't have any external flyback control (internal 300-400 Volts, afaik?) you should add an external diode, schottky or other that dampen the flyback voltage from the solenoid.