Hey, got a set of Mintex pads to throw on the Black car and they didn't come with the shim/backing plate. The set on there are Pagid, and have a glued on shim....Just wondering if I need to swap that shim over, and if so, what should I glue it on with...I've got some copper gasket spray, and a tube of Red hi-temp silicone (650degree).....Sincerely, Tom