Early A A/C how well does it work

slantsixdan said

In an older car without through-flow (all A-bodies and most other '60s-'70s Mopars), the opportunity for accumulation is much greater.

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Not that it is very relevant to the discussion, but as I recall the early-A Barracuda had one of the first flow-through ventilation systems, using the vents at the rear base of the back glass as the 'exit'.