Nov 4, 2009 #1 M marty65 New Member Joined Nov 26, 2008 Messages 14 Hello, I am using 95 RON unleaded in Cosworth 2.5 without catalytic converter. Does anybody know if the EZL-KAT unit should be set to S or N. The manual is a bit vague about it. ANY help much appreciated.
Hello, I am using 95 RON unleaded in Cosworth 2.5 without catalytic converter. Does anybody know if the EZL-KAT unit should be set to S or N. The manual is a bit vague about it. ANY help much appreciated.
Nov 4, 2009 #2 K krimat2005 Active Member Joined May 31, 2009 Messages 318 Location Littlehampton, West Sussex Car Mercedes W124 300D/ S203 220cdi as far as I know "N" stands for normal unleaded (95ron) and "S" for super unleaded (98ron).