Personally, I use Anchor mounts and am neither exceptionally impressed or disappointed, but I use 97-03 GPs.

FWIW, a guy could try this stuff. Dries like vinyl. http://3mcollision.com/products/seal...ler-08308.html

I would also think that any decent windshield urethane would be good- http://3mcollision.com/3m-window-wel...609-black.html