<VV> Leaking carb

[Ken Campbell]

> ----- Original Message ----- 
> From: "Grant Young" <gyoungwolf at earthlink.net>
> Subject: <VV> Leaking carb
>
>
> > <<I would really like to know what is happening.  How can it leak, then
> stop,
> > then leak
> **********
> Hi Grant, sorry to be so late jumping in, but if the problem still
persists,
> here is a possible candidate for the Gremlin:
>
> If you set the idle mixture quite a bit rich, most carburetors will allow
> your car to drive quite a bit faster on just the low speed circuits than
you
> would imagine unless you try it.  ... the high speed circuits can be
thought
> of as " booster circuits, "  ... say, for 40 mph or faster ( g) ...:
>
> To keep the high speed dump tubes from giving such a strong signal at
> relatively low crank speeds , often there is a small hole ( drilled ) into
> the high speed dump tubes ( high speed cluster in the vair Rochesters )
...
> this allows a small amount of suction at the cluster nozzles, and yet not
be
> able to overcome the " leakage hole  " drilled into them   ... no fuel
comes
> out, because the suction is just pulling air thru these drilled holes.
>
> As the suction at the dump tubes increases, the little bitty hole becomes
> not too important, it might as well not be there ... and the fuel gets
> pumped out the ( sucked out ) of the high speed dump tubes ( cluster
tubes )
> ...
>
> **********
> In this case ( Stephen's carbs ) I don[t even know if these holes exist,
but
> if they do, maybe it is so simple that they are clogged or glazed over (
> intermittantly???  ) so that the cluster vacuum is enough to pull a little
> fuel out of the main jets?
>
> ***********
> Just a thought, ken campbell, iowodahou
>