Any opinion on why my '72 VW Beetle only has one fresh air hose? Why the empty hole on the passenger side? All the spots in question have a crude red arrow to them. Thank for you time!
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Connect a hose and see what it does. Here's a link to a bunch of VeeDub engines - http://images.info.com/searchw? qkw=1972+vw+engine&qcat=images&q=1972+vw+engine&qhqn=1972+ vw+engine&KW=1972+vw+engine
most likely different engine options some might have used another hose but yours doesnt require it. i wouldnt worry about it too much
If there is not a heat exchanger box on the exhaust manifold on the drivers side that ties into the heater system then your engine will not use the opening on the drivers side. The plate that has the holes in question may have been for another year model of bug but I would not worry too much about the open holes. We used to chop these up for buggys and did away with that plate.
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