Re: [T3] Too much advance

["Mark Seaton" <Markse@mo-sys.com>]

----- Original Message ----- 
From: "Jim Adney" <jadney@vwtype3.org>
To: <type3@vwtype3.org>
Sent: Wednesday, April 28, 2004 3:18 PM
Subject: Re: [T3] Too much advance


> On 28 Apr 2004 at 12:53, Mark Seaton wrote:
>
> > Hi Ben, do you mean in the manifold? I never saw a vacuum port directly
in
> > the throttle plate, but the usual port on the left side of the left carb
> > actually goes through a passage down to the throttle plate aperture on
my
> > late carbs, though I do have a set of earlier carbs that have 2
apertures- 1
> > in the throttle plate and one close to the narrowest part of the
venturi,
> > that both join up and come out a similar port on the side of the carb.
>
> Typo? (I thought you said YOUR port was in the throttle body....)

Sorry- terminology problem- the actual hole that the vacuum is sourced from
is inside the throttle body but the port (a brass tube) that the rubber tube
attaches to to go to the dizzy is on the carb main body- connected by
drillings to the throttle body.
>
> As for 2 ports which join... I guess I have a FI 73 that's like that. I
never
> understood how that was supposed to work...
>
> Wierder and wierder....

yep!

Mark


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