August 13, 2022

All automotive makers make use of some sort of system to exhaust cabin air out whereas permitting recent air in. However in 1971, Common Motors‘ full-size fleet launched one of many worst options in automotive historical past, the “pressured air” air flow system.

GM modified the design in 1972 to a system that moved the exhaust drains from trunk louvers to the automotive door lock pillars, permitting for insulation from the weather. Given such apparent issues, it’s a marvel the pressured air air flow system made it to manufacturing, a lot much less turned the star of GM’s 1971 TV advert marketing campaign.


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