I'm 99% sure that the breather for 67 commando is a chromed version of the stock black breather with (CAP) or without the tube
the 67 pcv valve uses a rubber grommet that goes into the valve cover hole.
The 66 and older uses a cap like a breather cap with a hole and the pcv goes into that...
The hissing is from the ujoint type coupler. My sisters 65 mustang had power steering added and a ujoint type box. As you turn the wheel you can hear and feel the fluid in the box hissing
I assume that if it was a manual the trans tunnel would have a hump in it on the driver's side for the shifter..
Also your tag says A-3 which the post says is automatic
If you put up an ad I bet you can get a 67 control for cheap. Or checkout the local wrecking yard for 72??? Pickup. It uses the same 67 swing lever control
that should not have caused your issue UNLESS it was diaphragm position dependent. meaning a slow leak should have maintained enough pressure to apply he brakes. BUT if it was position dependent
I had a thought for an exterior air hose.
Cut a hole in the wall 18x18 or what ever is needed for the hose reel.
Mount the hose reel half way in and out.
Then build a 5 sided box big enough to have 2-4" of ridged foam insulation on the inside.
Get spring hinges like on an interior garage...
I did similar with a length of 1/2 inch vinyl hose on my shop vac. I got 70 lbs of super fine Texas and or Colorado high desert red clay dirt out of it.
I have a bag of artifacts that I found in the most interesting places, like a clear plastic cup from a liquor store in TX inside the quarter...
All the info I could find
This car was built on the same day as yours. Post 10 has some of your codes decoded.
1963 dodge dart decoding - help !
https://www.earlycuda.org/techdocs/6265FenderTagDecode.pdf
I was just doing some reading and it looks like the vapor recover pump nozzles are going away in many areas. Since 1998 vehicles under 10,000 GVW are required to have a filling vapor recovery system on the car making the station vapor recovery system redundant and sometimes an issue. It said the...
I think these are designed for the pump filler to be permanently attached BUT maybe the temporary use of one might help?
https://www.amazon.com/podafu-Gun-Vapor-Pump-ORVR-Dispensing-Station-2Pcs/dp/B0DF6FCJ7V?tag=fabo03-20