my boy with the cx with a worked (and custom made) b18c5 and a t3/t04e ball bearing turbo at 24psi ran an 11.38 on slicks, then again at 11.58, his best before was 11.62 on slicks without some further tuning he just finished.... no i dont' have any proof but maybe ya'll remember the red hb i posted with 465whp at 17psi , anywas if not here are the pics again and a link to the album..
Album link right here

Exterior: Real Vision ambers, RS lip, 15" rotas

Engine: too much to list, this pic is with the old t3/t4 ball bearing

465whp at 17psi t3/t04e