The two ducts on the lower left of the photo are what connects the ac box to the driver side ac vent. I'd imagine you can just run a single piece of duct tube all the way over to the ac duct instead of the two pieces. Pretty sure the duct goes through the hole in the brake pedal assembly.
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I'm not 100% sure, but I think this might depend on the model of the a/c box you have. I might be totally wrong here lol.
My car was an auto, swapped to a manual. The super common Model 955, the big a/c box with the floor plenum; appeared to have ran under the column. I still have the original hose to the drivers side spot cooler. Its one single hose. Its got a dent in it from going under the column and fits perfect if I install it. Clutch pedal interferes with it though. If it was an auto it would be fine. Car was swapped to manual when I bought it but had the a/c hose in the trunk. Parts book doesnt show two separate hoses with a plastic connector either. But that might be buried in one of the option codes. Maybe someone modified it; IDK, maybe that was the case, alot can happen in 50 plus years.
I just looked and it looks like a severe pain to roll that hose thru the hole in the pedal brackets. Literally a 90 degree bend right out of the spot cooler and crushing the hose. I may try it after seeing how the plastic duct I made works. If that a/c hose goes thru the pedal bracket, it literally blocks all kinds of access under the dash, and there are several things in the way that I'd have to rearrange lol. The plastic duct would be easily removable to service anything under the dash.
