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HELP!!! Zenith "Mechano-Vac" Governor


1958 F.W.D.
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So we took the carb off the Wauky in the F.W.D. It is a downdraft Zenith. It has a Zenith "mechano-vac" governor that is tied to the throttle inside a separate throttle body (which we didn't know was separate.)
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A line comes up from the bottom of the engine somewhere, goes into the bottom of the Mechano-Vac, and then a line from there into the throttle body. We have rebuilt the carb, but figure since we have gone this far we should at least take off the throttle body to have a look-see but for the life of us we cannot figure out how to disconnect the cable or linkage or whatever it is. We can find NOTHING anywhere on the internet, nothing in my Wauky manuals, and nothing in any of my MOTORS Manuals. 

Anyone know anything about these things? 

TWO STROKES ARE FOR GARDEN TOOLS

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The unit is tied in with the centrifugal advance on the distributor and works by vacuum  off the advance unit to hold a stead RPM when pumping or other steady run use.  U.S.Army tech manual TM1826C is the Zenith/ Carter and Holly carb with the Mechvac go to book. It's a WWII to pre Vietnam tech manual that covers the Zenith card and the mechano-vac governer. Dukw's, Studebaker duece and a halfs and GM CCKW's and M114's, Chrysler Hemi powered Civil Defense sirens, Jeeps, Dodges  and others all ran them. Know anyone  in the mil surplus or mil vehicle sales or club should give you access to the tech manual and or Mechovac parts

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