[arcticman]

You should make a template and fasten with the nut. Those emblems are too big and heavy to try and use adhesive or double back tape. The back side of those emblems would have to be flat all the way across in order to have enough surface area to use tape or glue. the emblems on newer vehicles are cheap lightweight plastic. Jcfcamaro offered to sell you an exact template or you could make your own.