Mystery Zenith 32

For those who obsess about exactly how their 356 left the factory!
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John Bland
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Joined: Sun Jan 20, 2019 8:46 pm

Mystery Zenith 32

#1 Post by John Bland »

Found this lone Zenith 32 at an estate sale. How can I verify if it's Porsche related?
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Zenith 32 with stamped code on right "PO-10"
Zenith 32 with stamped code on right "PO-10"
Odd looking date code?
Odd looking date code?

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Alan Hall
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Location: Orinda, CA

Re: Mystery Zenith 32

#2 Post by Alan Hall »

PO10 versions were used on industrial motors or for VW hop-up applications. Designed to be a single carb, centrally mounted, as they have a balance passage in the base. I believe these do not work well if they are used in place of a 356 version unless the base portion is replaced or modified to eliminate the balance passage. Most of the small parts are useable as parts for 356 versions, although jetting may be different.

John Bland
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Joined: Sun Jan 20, 2019 8:46 pm

Re: Mystery Zenith 32

#3 Post by John Bland »

Alan - thanks for the reply. After another look at the Zenith the ballance passage is apparent.
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This is the underside - ballance passage is apparent.
This is the underside - ballance passage is apparent.

Erik Thomas
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Joined: Thu Jan 14, 2010 4:55 pm
Location: Rhode Island

Re: Mystery Zenith 32

#4 Post by Erik Thomas »

I recently gave away one of these carbs. It came with a VW speed manifold where the carb was mounted in the center. The other dead give away is the push on hose barb fitting. The guy I gave it to used it for donor parts to fix his 356

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Martin Benade
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Location: Cleveland, Ohio

Re: Mystery Zenith 32

#5 Post by Martin Benade »

I see the throttle arm is set up to take a VW throttle cable, too.
Cleveland Ohio
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Jacques Lefriant
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Location: Washoe county NV

Re: Mystery Zenith 32

#6 Post by Jacques Lefriant »

hi
the accelerator pump rod is a different length and hole in the well is at different location.
j
 

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