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
some news...I switched to 1.1.94 , connected KS-4 to anytrim and have got good knock kontrol now...boost control work good too for me..