yes i do, there's a reason why i made this post. i took the flapper out completely, and sealed the hole as best as i could for the time being. i now have this external wastegate off the o2 housing. boost holds fine up until 5000rpm where it creeps upwards of 24psi. i didn't take a picture of it, but the hole that the old internally gated wastegate flapper covered, was only about 1-1.5" big IF that. So since i already have the external wastegate, and the problem's still there, it's the size of the wastegate port on the hotside needs to be enlarged so once the external opens up, the restriction of flow isn't there.
