While I await resolution for the tweeter issue, I decided to go ahead and work on the mids. I cut some spacers from 1/2" HDPE and utilized the stock speaker screws to mount the spacers to the dash.

Attachment 24947 Attachment 24948 Attachment 24949 Attachment 24950

Tomorrow I will start running a pair of 14/4 wires from the speakers back to the amp.