Replying to I keep having to crank the dins on my sth2 16s

So i decided to switch from pivots to sth2 16. The shop set the new sths at an 8 ( which is normal) I ride a 10 so I moved them to ten. Even at 10 I pop out super easy, I leaned forward in the lift line and my heel easily popped out. Then I moved them to 11 And had 2 minor wrecks and they came off like they were at 9?? I ride my pivots at 10 in the toe and 11 at heel and it's perfect. I just find it odd I'm at 11 and popping out super easy. Do I need to go have a release test done? The forward pressure is set correctly, the head of the screw is flush with the mark and little tabs. (which was set by my shop and I just checked to make sure they were set right) so it's not forward pressure. Also my bsl is 302 and I'm 6'2 180 and aggressive skier.

So, take them to a shop? or bump the sths up to 12