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Join Date: May 2004
Location: amsterdam
Posts: 14
zenith carbs

Where can I find info about the functioning of my zenith carbs on my 911 2.2T.
Does anyone know??

Old 05-20-2004, 03:14 AM
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The factory manuels have an excellent section on the Zeniths. More complete than Haynes. Haynes only has tuning info. Factory manual also has repair procedures.
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Old 05-20-2004, 06:15 AM
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Do you know where to get the factory manuals or that section on the zenith only?

egbert from amsterdam
Old 05-20-2004, 07:23 AM
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egbert,

Do a search on this system. I had trouble with my zenith's backfiring, spitting, etc.... and Otto from Venice Beach, CA was really helpful. I used his method and now they are working properly ( by no means am I an expert, but with Otto's advice and the Haynes manual I got it right.) You can ask me, but I am not sure I am the best person.

PC
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Old 05-20-2004, 08:11 AM
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Egbert,
You have a PM
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Thanks,
Mike
When I was a kid, I didn't want a stupid pony, I wanted a PORSCHE.
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Old 05-20-2004, 09:19 AM
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What is a PM ???
Old 05-20-2004, 09:23 AM
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It's a private message. Go to the top-right of this page and click on the
USER CP button. This will direct you to another page for a Private Message.
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Thanks,
Mike
When I was a kid, I didn't want a stupid pony, I wanted a PORSCHE.
1970 911T Coupe, 1979 911SC Targa Euro, 1971 Honda CT70 HK Trail 70 (the ultimate in two wheeled transportation)
Old 05-20-2004, 05:13 PM
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Zenith's are a better carb IMO than webers, they have individual and tunable accelerator pumps for each bore and they have longer boosters for better lowspeed response. The real problem with them is the lack of performance and replacement parts, had they been better supported by the aftermarket they might have become more popular than webers. Haynes is a good source for info, I've never seen the factory manual.
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Old 05-20-2004, 05:23 PM
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thanks egbert I will look into haynes
Old 05-21-2004, 02:45 AM
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Egbert,
Send me an e-mail webmeister@911t.org.
I have zenith info that will be helpful.

I'm out of town for the weekend but will send it on Tuesday when I get back.
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Thanks,
Mike
When I was a kid, I didn't want a stupid pony, I wanted a PORSCHE.
1970 911T Coupe, 1979 911SC Targa Euro, 1971 Honda CT70 HK Trail 70 (the ultimate in two wheeled transportation)
Old 05-21-2004, 06:21 PM
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I have some Zenith tech info as well-it really helped me. I wouldn't mind seeing what others have. The haynes manual is ok for tuning but not really so good in terms of how the Zenith circuits work.
Old 05-21-2004, 07:05 PM
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HELLO
hopefully someone can help!?

im having serious problems getting the final dew parts i need for my Zenith carbs.

No one in Europe has them , MotorMesiter in the US are being a little slow to be fair.

I just need these final parts to finish my VW Bus Porsche. I require Pump Inlet Valves x3, and 4 Injectors.

Any help would be so appreciated, i just need these little parts to finish the hole project!

thanks
Paul.Grice@jpmorgan.com

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Old 05-25-2004, 08:18 AM
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