I resemble that remark!!!! http://i1067.photobucket.com/albums/...er1/Speedo.jpg
Seriously, the 1968 and 1967 models that we had were all equipped with air cleaners mounted on the carburetor. The 1969 models that we had (in Germany since that is where I was) all had hood mounted air cleaners. Of course, I did not/could not check vehicle numbers to see when they did the change over. As with anything else, there is no "normal" I am sure.
(But without that governor, they went fast!!! ;) )