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Carburetors
for the Porsche 911 |
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Zenith (Solex)
Carburetors for the Porsche 911 |
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The Porsche Zenith (made by German Solex)
carburetors came out on the 1970-1971 Porsche 911 T motors. The Zenith is
a very good carburetor but has had a bad rap for not being as cool or
versatile as the Webers have been. See comparing Zeniths to Webers is like
comparing Levi's to Tuff-Skins Jeans, they both will do the job correctly
but one is cooler then the other, come on just the Italian name Weber, you
think of Porsches, Ferraris, Abarths, Masarattis and when you say the name
Zeniths you think of your TV set? Ok, now the other issues with Zeniths
are this.
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If you have a set of Zeniths and want to
modify your Porsche 911 motor with Performance camshafts or High Compression or larger
ANYTHING, you could not use the Zenith carburetors because Porsche or Solex (who made the
Zeniths) do not make larger, Venturies, jettings ect. so you HAD to go with Webers. Well,
we offer a full line of jetting, venturies or any part you may need for Zeniths, we have
installed Zeniths on a 2.8 Twin plug Race motor and they flat out kick butt!, so no reason
to change to Webers for this reason.
The main reason for changing to Webers in
the old days was when your Porsche carburetors (Zeniths or Webers) where "worn
out" which is not really true for any Porsche carburetor, you would toss them away
yes we are talking Zenith and Webers and go with a brand new set of Webers! Well two
things have happened since the "good ol'days" first they are not $700.00 a pair
brand new anymore and second and most importantly Webers are no longer being made! So
tossing them away to go with a new set of Webers is no longer and option.
Mechanics where the biggest down fall of
the Zenith name, see if you are working on a Porsche and need to jet it, well Zeniths
where not your friend since they did not make any options, what you got was what you HAD
to use. Also mechanics where us to working with Webers for many years not Zeniths? There
was also and still is no technical books on Zeniths except the diagram which comes in the
rebuilding kits, which was no use. So mechanics did not care for the ol' Zeniths to much
and who could blame them, but those days are over. Now the mechanics have to work with
what they got.
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So there are your three main negative issues
with Zenith carburetors. Not really big issues at all are
they?
Now is there anything better about the
Zeniths compared to Webers? A few stand out:
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The Zenith carburetors have three
diaphragms compared to the one Weber diaphragm where this is more efficient then one
diaphragm working all three throats, while the Zeniths have a single diaprapham for each
throat.
The Zeniths come factory with torque
boosters, while only the racing version like the Weber 46 mm carburetors which where
installed on the factory racing 906 Porsches. These taller secondary venturies will
improve the torque on any Porsche 911 or 914-6.
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All we are saying is that both
Weber and Zeniths are great carburetors, but do not think you have to
start all over if you are having Zenith
problems. |
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Motor Meister has one
of the biggest inventory of Zenith Porsche carburetor parts there is, we
carry it all so give us a call with your Zenith needs at 1-800-756-0956 |
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911
Carburetor Rebuilding 
Motor Meister Inc. 12262
Woodruff Avenue Downey, California 90241
Motor Meister is not
affiliated with Porsche Cars North America or Dr. Ing. h.c.F. Porsche AG.
Porsche®, Porsche Crest® and logos are registered trademarks of Dr. Ing. h.c.F. Porsche
AG. All Copyrights, Registered Trademarks and/or Registered Trade Names are property of
their respective owners.
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