Time to tame the beast. Had glass installed all around. Then tackled the AC.
Went with Vintage Air again. Even tho we had built an overhead console for all the electrical and gauges, it was still a tight fit behind the dash. Mocking up the AC 3 years ago didnâ€™t tell the whole story. 2 heater hoses, with the servo unit, 2 AC hoses with dryer, electrical, bulk head fittings, defroster ducts, 3 vent ducts and switches was more than we bargained for. Ended up with the fan and temp switch under the dash (Heat and mode switches are up on the console). Also put the AC vents under the dash, rather than thru it.
Fortunately Vintage Air had a wide selection of vents/switches/tubing to make it work.