the find, rebuild, and gallery thread: http://www.thecj2apage.com/forums/time-capsule-navy-cj3a-by-valentine-apu_topic37074_page1.html
the owner points out at the 4:27 mark that this Jeep has an "rpm gauge"... notice, he calls it what he reads on it. He either is too young to know what a tachometer is, or, in the part of the country he lives in, people call tachs an "arpeum gauge" (shake my head... young people, good grief"
http://www.thecj2apage.com/forums/time-capsule-navy-cj3a-by-valentine-apu_topic37074_page3.html