I am removing heater box from my 73..does anyone make round plates to cover up the holes from blower motor and hoses ??
i would use rubber floor pluggs from the auto store. just paint the spots before you put them in or it will crakel over the rubber. this way if you need to run wires or enything else later you just pop the plug out.
I cut out some shapes out of thin sheetmetal and then bonded them in with a sealer from the back side then painted turned out nice and will be somewhat easy to remove if i ever decide to