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Quick Learner
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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?!?
 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! |
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09-17-2009, 04:41 PM
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Why not just replace the float? Is it the front or back float?
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1974 911s "It smelled like German heaven" http://www.youtube.com/watch?v=6ySt9SeZl9s |
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09-17-2009, 05:17 PM
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Quick Learner
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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! |
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09-17-2009, 05:33 PM
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Registered
Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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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.
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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09-17-2009, 05:56 PM
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Quick Learner
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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 |
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09-17-2009, 06:22 PM
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Registered
Join Date: Nov 2007
Location: fl
Posts: 1,700
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Bill,
I have a few Zeniths that are in parts. Pm your address to me and Ill mail it out to you. |
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09-17-2009, 06:46 PM
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Quick Learner
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PM'ing now! Thanks Joey!
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09-17-2009, 06:48 PM
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Registered
Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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Okay, buy the part, Quick Learner, I don't care. I thought your problem was that there was no such part available.
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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09-17-2009, 06:57 PM
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Quick Learner
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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 |
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09-17-2009, 07:27 PM
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Senior Advisor
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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.
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08 Cayenne Turbo |
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09-17-2009, 08:51 PM
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Registered
Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
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Use the shaft of a drill bit the right size.
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1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on this is a bad thing. |
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09-18-2009, 12:24 AM
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Senior Advisor
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that's a great idea! now is it metric, fraction, number, letter, or Japanese?? or british standard (gasp)
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08 Cayenne Turbo |
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09-18-2009, 07:55 AM
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Registered
Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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It's the one that fits through the holes.
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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09-18-2009, 08:00 AM
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I was going to send you the float free but thats okay.
KYO 
__________________
1974 911s "It smelled like German heaven" http://www.youtube.com/watch?v=6ySt9SeZl9s |
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09-18-2009, 03:07 PM
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Quote:
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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09-20-2009, 04:41 PM
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Registered
Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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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.
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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09-20-2009, 05:00 PM
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Registered
Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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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 |
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09-20-2009, 06:35 PM
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Quick Learner
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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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09-20-2009, 06:40 PM
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Macan
Widowmaker
1974 Porsche 911s
