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05-23-2019, 06:20 PM | #1 |
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Zenith 2 float level
I have just put together a ute from a collection of bits I had laying around. I took it for its first drive yetserday and when I tested the brakes, the motor cut out. I checked that there is no leak at the manifold so I took the carburettor off thinking I would lower the float level. I found 4 washers (yes, FOUR) under the valve already. This carburettor is in very good condition but that surprised me. Another washer holds the float valve closed perminantly.
As I recall, the seam on the float should be about parallel with the surface of the upturned top half of the carb. (about 1"). This carb is way more. by the time I disconnect the air cleaner tube etc, there is a bit of work to get the carb off a RHD car. My first impulse is to remove washers till the float looks right, then try again but obviously someone has tried that and thought it neccessary to put the washers in. Has anybody seen the situation where the float level is so low that the symptoms are similar to too high? What would you do? Carb is Zenith 2 and pressure balanced for an aircleaner. The float valve is new with a ball.
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05-23-2019, 09:34 PM | #2 |
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Re: Zenith 2 float level
I have resurfaced an intake and exhaust with a file only to Learn I had ended up with a poorly aligned carb that had float sticking problems from the wrong resulting face angle.
Any chance of that with your unknown condition intake? |
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05-23-2019, 09:52 PM | #3 |
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Re: Zenith 2 float level
Thanks for the response, Bob. I had the manifolds surfaced as a pair before assembly. The carb alignment is good. Puzzling!
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05-23-2019, 11:43 PM | #4 |
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Re: Zenith 2 float level
You can determine the gasoline level exactly with a simple communicating tube. In the screw plug under the main nozzle you drill a hole about 4 mm and solder a small tube / nipple. On it you put transparent hose piece which is laid kink-free in a U upwards. becomes. Then you can see when it floods, where the gasoline level is.
I have previously scratched on the housing the prescribed level. Is also ready to buy.
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05-24-2019, 12:02 AM | #5 |
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Re: Zenith 2 float level
Try another bottom half.
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05-24-2019, 12:50 AM | #6 |
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Re: Zenith 2 float level
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05-24-2019, 01:27 AM | #7 |
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Re: Zenith 2 float level
Yes, similar. Do need to pull the comp jet to see that secondary well does not restrict the comp jet. That might be the issue with your carb there were 3 versions of the secondary well.
Last edited by Brentwood Bob; 05-24-2019 at 01:36 AM. |
05-24-2019, 04:14 AM | #8 |
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Re: Zenith 2 float level
I have found that with a very low fuel level the car misfires on powering the throttle; the fuel in the bowl acts as "reservoir" for sudden demand. ( and of course the sloshing effect of sudden stop is enough to create problems with a low level ). Synchro you're expert enough to get that fuel level set correctly- I appreciate the problem of RHDs carb access. To all intents the various lower bodies and upper bodies are generally interchangeable.
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05-24-2019, 04:47 AM | #9 | |
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Re: Zenith 2 float level
Quote:
Thanks.
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05-24-2019, 06:02 AM | #10 |
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Re: Zenith 2 float level
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05-24-2019, 05:47 PM | #11 |
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Re: Zenith 2 float level
Do not understand. If I drive the car, I need both hands.
Saying for what type of car?
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05-24-2019, 06:43 PM | #12 |
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Re: Zenith 2 float level
Werner, You must have the very rare two handed car!
I have set myself the task today to dismantle the carby and clean out everything. I'll let you know what happens. If I can't get it right, I'll put on a Zenith 1 I know to be good.
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05-24-2019, 09:35 PM | #13 | |
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Re: Zenith 2 float level
Quote:
They are basically the same except for some minor casting differences that do not affect interchangeability.
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05-24-2019, 10:24 PM | #14 |
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Re: Zenith 2 float level
Werner, RHD is as in the UK where to most of Europeans of the continent the driver is in the wrong place in that the driver is positioned on the right hand side of the vehicle. In the States the cars are as in Germany with the driver on the left side of the car, as we drive on the right hand side of the road, where Syncro is from Australia and drives on the left hand side of the road.
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05-24-2019, 11:01 PM | #15 | |
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Re: Zenith 2 float level
Quote:
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05-25-2019, 03:06 AM | #16 |
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Re: Zenith 2 float level
Rechtsstuerung/linksstuerung....and the steering column sure gets in the way of carby access on the rechtsstuerung. of course on RHD the choke knob is in front of the driver's knees so one loses the joy of leaning across to furkle the passenger
Last edited by johnbuckley; 05-25-2019 at 03:11 AM. |
05-25-2019, 10:04 AM | #17 |
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Re: Zenith 2 float level
Hello steering wheel men! Thanks for the RHD-education. I had now to laugh afterwards. "Right Hand Driver" means in the literal translation "Steering with the right hand." I understand now that means steering wheel mounted on the right side. Difficult to explain / translate for me. But we understand each other on both sides.
I do not want to disturb the carburetor contribution now and wish Synchro much success and keep all readers always both hands on the steering wheel.
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05-25-2019, 10:44 AM | #18 |
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Re: Zenith 2 float level
The most famous one-armed driver here in the UK is Archie Scott Brown ( no right hand ) who raced Lister-Jaguars in the 1950s.... full details en.wikipedia.org/wiki/Archie_Scott_Brown ( but I think we've departed from the original topic now!
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05-25-2019, 01:44 PM | #19 |
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Re: Zenith 2 float level
"furkle" Paul in CT
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05-25-2019, 06:41 PM | #20 |
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Re: Zenith 2 float level
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