Installed period correct Nackamichi head unit, removed the craig for the last time, which was starting to eat tapes! Also replaced the rear speakers, I had done the fronts last year. The rear panels, likely I had been the first one to remove, ever... Pain in the ass, but a touch of the heat gun loosened up the glue and allowed me to remove them without damage... Those were pretty interesting. many mounts seemed to not be used, however between the weatherstrip, and the 3 screws they did seem to be quite securely mounted. I could only imagine if the other 3 points were used... they seemed to be a clip type that maybe were impossible to install? Also, the lower mount portion of the panels had 3 screw holes in the panels, but only one in the tub, and only one was used. Craigs had faulty foam, replaced with Kenwood 4X10's - which I take it should be at least a marginal improvement.
While I was at it - and because 1/2 the interior was already out, I tightened up all the tub to frame bolts, all of which were loose. Also, vintage Alpine alarm is going in too. Keyless entry on the way!