[Healeys] Carb gas leak

[Greg Lemon]

Mike, you mention a new fuel pump which may be the indirect cause of your problem, which first guess is a needle valve, valve the float operates on to stop gas flow when the float chamber is full, if the needle had marginal sealing capablities the new pump and its extra oomph may have put its ability to do its job and stop gas flow over the edge.

As a test you could swap the valves front and rear (simple operation) and see what happens, or just order new, they are pretty cheap and the new ones have a hard rubber seal that works better.

Second guess leaky float.

Greg Lemon
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