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Re: [T3]Carby Backfire


I had exactly the same thing. Brand new float valves turned out to be
rubbish. I then had to find two good ones from my collection.

Also, make sure the float isn't slightly worn where it presses on the valve.
One of mine was and it caused it to flood the carb. It definitely was not
punctured, but changing the float finally got the carb working properly.

Daniel
1969 Type 34 automatic.


> << As there was nothing wrong before the carb rebuild, it seems most
likely
>  that there must be a problem in the carbs.  The right hand carb was wet
with
>  fuel around the front of the bowl (front is front) and seemed to be
leaking
>  from the joint between the top section and middle.
>  How sensitive is the carb to the height of the float valve?  >>
>
> We had a similar thing happen to both carbs on my son's Roadster after I
> rebuilt them. I ended up using the old needle and seat valves to fix his,
as the
> new ones kept hanging up in the open position, and drownding the carb with
fuel
> after shut down. I don't know why this was happening, as the kit was
fairly
> new (not a long time on the shelf). It's possible that the valves are of
poor
> quality. Just my take, and I hope this helps.


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