Lawrie,
I've been reading about setting timing as I'm going to try it for the
first time this weekend. The manuals I have read say to disconnect the
vacuum line and plug it to disable the vacuum advance when setting the
timing. Is this necessary??? The below statement says to me that it
is not.......unless you are setting the timing while driving down the
road in 4th gear :-) hehe. Seriously, please advise.
Tom
77B
--- Lawrie Alexander <Lawrie@britcars.com> wrote:
> Dennis...........
>
> You're right about where the vacuum line goes, but
> wrong about the intended
> purpose of that "box".
>
> It is there to allow the distributor to receive
> vacuum only when the car is
> in 4th gear. There's a switch on the gearbox which
> sends current to the
> "box" when 4th is engaged. This opens a valve in the
> "box" which connects
> the vacuum line from the distributor to the other
> line, which goes to a Tee
> fitting in the short pipe between the gulp valve and
> the manifold.
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