Ya, it won't work with stiffy. Like JJ, I prefer the shear panel. Easily removable for service and light weight. Those are unique to the shear panel.This is what I've got...
Seriously Lotus Shear Panel (will fit with gPan sump)
I do have the gPan2, but I do like the BOE pan also...but I've galready otten the gPan2 before I found out about the BOE pan. I don't think it's worth replacing a gPan2 for a BOE. But if I had to do it again, I'd probaly get the BOE pan.
Take a look at the photo, and see if it would clear...but I would still wait for Phil's reply.