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
Just remember the EGT probe needs to see all the cylinders. Thats why Rob likes the turbine housing, but I've not seen any problems with putting it in the collector, close to the flange.