Replying to STH2 13 Prerelease?

So here's the deal. I have 2 pairs of sth2 13s, love em, haven't had reason to complain... Until now.

Every time I land switch leaning forward, or really lean into a nose butter, I eject, or double eject. Checked my forward pressure, its fine, I'll check it again later...

I'm riding 9 in the heel and toe, 6'1", 150 lbs, aggressive skier, bsl 315, which puts me at a 8.5 from a din calculator. I put them up from 8, and I thought it helped, but I ejected twice leaning forward after that.

Here's the other weird thing; I have a pair of Attack 13s, and I can tripod, butter, whatever, and they're fine. They're only set at 7. I'm going to have to put up the Attack dins a bit anyway, cuz I can hit my ski sideways with my boot in it and I pop out like nothin, but still!

I don't get it, has anyone else had this sort of problem? Do my dins still need to be higher? Less elastic travel on the sths? I'm 95% sure my forward pressure is fine.

Help.