There is a flat rubber gasket that goes on the end of the line which then
goes in the float bowl. I think these come in the carb kits but I have yet
to see anyone sell them separately.
I did make an emergency roadside repair of a leak of this kind once. I
could hear the fuel as it dripped on the exhaust when I parked my car (71
BGT at that time) at the mine office (back when I worked at a coal mine).
After I determined the source of the leak and that the gasket had
disintegrated, I was able to go to the warehouse (in the same building)
and get the closest match rubber o-ring. After a quick fix in the parking
lot, I was able to go without any leaks, not worrying about the gasket
until my next carb rebuild years later. The o-ring is not quite the same
since its round and not flat but the inner diameter was the key dimension.
Such o-rings should be available at any hardware store.
David Councill
67 BGT brg
72 B black tulip
At 09:50 PM 7/3/2003 -0400, John Graham wrote:
>Help !
>
>In getting my B back on the road I needed to do some carburetor work. I
>have a 1970 MGB with SU HS4 carbs. I needed to remove the beasts from the
>manifold and free up the jets from their seats. In doing so, I needed to
>disconnect the 'pipes' from the fuel bowls. When I attempted to reconnect
>the pipes, I find that I have BIG time leaks.
>
>I have the AUD405 version carbs and there was a small cone shaped 'rubber'
>gasket which was supposed to compress on the line to the jet. This is the
>connection that is leaking. The Moss catalog doesn't give any options for
>renewing that tiny gasket/seal, short of replacing the entire jet assembly.
>
>Any suggestions out there?
>
>Thanks,
>
>John Graham
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