<a href=showthread.php?s=&postid=6932208#post6932208 target=_blank>Originally posted</a> by dwdenny
Yeah on the big thread one guy enlarged the neck to do the recirculation mod on the 220 I believe. It can be done but I am not sure if it will help in this case or not.
Here is the thread but not sure where it is I know it is there some where.