It's probably one of the toughest seals to get functioning correctly I feel. One tip i can give you it that you may need to clamp a bunch of paint sticks to the seal to compress the area the t top sits in for a few months or if you can get it in, the actual T top itself. You will probably need to loosen the t top pins so it doesn't pull them down so hard and then re adjust after they sit for a while. The seals need to be worked in and have the imprint set in the seal. They will eventually have a memory and let the tops seat all the way down.
Also, best to find Metro seals or another soft brand to help speed up what I call the imprint process.