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-   -   Zenith carb is missing float pin!! (http://forums.pelicanparts.com/porsche-911-technical-forum/499736-zenith-carb-missing-float-pin.html)

levdeb 09-17-2009 04:41 PM

Zenith carb is missing float pin!!
 
So, rebuilding my carbs, and as I remove the top of the carb, I notice the floats are just hanging to the side. One of the little pins is missing. Not in the bowl, not anywhere. I assume someone rebuilt it last time, and forgot to put it in?!? :eek:

Anyway, looking for ONE float pin! Anyone? Or can I just make one? No, forget I said that...

I know, its crazy... any help would be appreciated!

Thanks so much!

austin552 09-17-2009 05:17 PM

Why not just replace the float? Is it the front or back float?

levdeb 09-17-2009 05:33 PM

The floats are fine, just the pin is missing. They floats look identical, front to back. I have had them off and partially apart for some time, so not sure whats front or back right now. lol

All the pins look identical.

Thanks!

Formerly Steve Wilkinson 09-17-2009 05:56 PM

The people who invented Porsches in the late 1940s, mere months after a disaster like ten thousand 9/11s, were able to make camshafts by hand, with a steel billet and a few files.

Make a pin, forgodsakes.

levdeb 09-17-2009 06:22 PM

I finally get Steve to respond to a post of mine, and ur telling me to make a Porsche part?!? ;)

yeah, I was going to just make one, and assumed the collective forum would say "do it right and buy the pin". Guess I was wrong. It's not like it's gold plated or anything...

Thanks! Bill

joeyjudge 09-17-2009 06:46 PM

Bill,
I have a few Zeniths that are in parts.
Pm your address to me and Ill mail it out to you.

levdeb 09-17-2009 06:48 PM

PM'ing now! Thanks Joey!

Formerly Steve Wilkinson 09-17-2009 06:57 PM

Okay, buy the part, Quick Learner, I don't care. I thought your problem was that there was no such part available.

levdeb 09-17-2009 07:27 PM

I had no idea either. Just wan to make sure I am doing it right. That's why I read all those books! ;)

I remember once while in the Air Force, we lost 2 F-16s and nobody knew why they crashed. We waited for the order on how to fix the fleet before any jets could fly again. Finally the tech order came in, and we were to "unplug cannon plug from ecu, wrap plug in ziplock baggie, and tie baggie closed with zip tie". Every $20 mil jet was being "fixed" that way. Couldn't believe it.
To make a long story boring, when the thought of "making a pin" popped in my head, that F-16 memory came rushing back. Lol

I just want to make sure my first 911 sudo-resto is a good as I can handle. Quick learning and all.

Thanks Steve. Nothing but respect for ya.
Bill

James Brown 09-17-2009 08:51 PM

I did mine (removed pins) to clean the corrosion, they look like stainless steel wire. Just get the dimensions and replicate it. Make sure that the float moves freely and your ok.

docrodg 09-18-2009 12:24 AM

Use the shaft of a drill bit the right size.

James Brown 09-18-2009 07:55 AM

that's a great idea! now is it metric, fraction, number, letter, or Japanese?? or british standard (gasp)

Formerly Steve Wilkinson 09-18-2009 08:00 AM

It's the one that fits through the holes.

austin552 09-18-2009 03:07 PM

I was going to send you the float free but thats okay.
KYO
:rolleyes:

dshepp806 09-20-2009 04:41 PM

Quote:

Originally Posted by Formerly Steve Wilkinson (Post 4904879)
Okay, buy the part, Quick Learner, I don't care. I thought your problem was that there was no such part available.

Nope,..he was asking for help (sources, included)

Formerly Steve Wilkinson 09-20-2009 05:00 PM

Well, my source, as I said, was to make one. Somebody offered the excellent suggestion that there was a huge variety of hardened-steel (and cobalt) drill bits, one of which will fit. Somebody else said a short length of stainless-steel wire might work. Ingenuity is your friend, not weberfloatpins.com.

911pcars 09-20-2009 06:35 PM

If it's like a Weber float pin, it has a section that threads into the upper carb casting. The Weber float pin must be safety wired in place, otherwise it can back out. When that happens, the now-independent float goes out of alignment with the float needle valve which allows unmetered and raw fuel into the float bowl which overflows into the throttle bore and into the cylinder. Worst case; the cylinder hydrolocks and breaks the piston. Best case; the engine won't crank over due to the hydrolocked cylinder.

Sherwood

levdeb 09-20-2009 06:40 PM

Thankfully Joey is sending me a pin for my Zenith. I would prefer to keep the drill bits for drilling holes, not filling them. :)

Thanks all!


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