T24 Carb problem

[Howard Wright]

David, You state you have a T24 carb. Is this the same as the Zeneth 24T carb. If so there is a good article about servicing etc and the variants of this type of carb for Austin 7s. To read go to the Dorset Austin Seven Club site and click on technical items then onto fuel and finally Zeneth 24T carb. It may help you get to the bottom of things.

John Mason

Thanks.
Yes I have that article & it is excellent - slight confusion (typo) 24T vs T24! It is a 24T2 part no F1372.
D

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Is the car a new acquisition? Has it ever run properly in pwith present owner. I know nothing about the carbs but used on other vehicles. Has it a large venturi but jetted for a small one?

Yes it is new to me. It "ran2 with the previous owner in northern California! Venturi & Jets are as specified by Zenith
D

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Just thinking outside of the box - are you ABSOLUTELY sure this is a carburettor problem and not due to something completely different? Have you checked the ignition timing, plugs, points, leads, condenser, valve clearances etc?

Car starts & runs very well, but ONLY if the choke is pulled right out! It stops the moment the choke is released.
I even set off in top in error (forgot which way the 'box was!) and it pulled away smoothly (bit of clutch smoke, so at least it got rid of any oil on the plate!
valves not checked (except to see they weren't stuck), everything else ok...ignition is a DK4A & needs a bit of a tweak I think.
D

This might be a completely wild guess and insulting your intelligence (sorry) but is the choke connected the right way round?  It almost sounds like pushing the choke in closes it and pulling it out opens it.

Howard