Originally Posted by ecbmxer
I would guess that WGDC and the spring run in an EWG setup affect how audible the EBCS/EWG fluttering is.
Properly set up there shouldn't be any flutter. Your turbo dynamics in your map need reduced significantly after going to an ewg setup or you will see fluttering. It takes so much less wgdc that you end up needing much smaller changes to maintain boost levels