Great post! I love this forum, 12 years after OP and still helping an X-fire brother out!
The service manual I downloaded from this forum (again, I love this forum) says use a 1mm bead of sealant. I put some RTV in a 20ml syringe to make a very fine bead. When finished there was no silicone oozing out from the seam; time will tell if this method is successful.