It's always seemed to me that this would be best served by a curved pipe and a
remote filter, ala a rice burners cone filter. A short pancake filter sitting
right on top of the carburetor just doesn't flow well.
"Bowen, Patrick" wrote:
> Another question would be are people using the right airfilter. There is
> one for this carb that is 1" taller than the one the spit is supposed to
> use.
>
> Patrick Bowen
>
> -----Original Message-----
> From: Vic Whitmore [mailto:vicwhit@home.com]
> Sent: Friday, March 23, 2001 1:22 PM
> To: Nolan Penney
> Cc: spitfires@autox.team.net; BODB@chevron.com
> Subject: Re: Replace ZS Carb with Weber DGV
>
> The Pierce intake manifold has 1/4" more offset than the Cannon intake. I
> sure
> would like to know why some people are able to use the Cannon without
> problems
> while others have dings in the hood where the air filter hits it.
>
> The extra 1/4" should be enough to clear my hood. I will know in a few weeks
> when that part of the project comes up. I have a few other things to do
> first.
> I'll update the list at that time. I may take pictures and post them on my
> web
> site too.
>
> Vic Whitmore
> 76 Spitfire
> Thornhill, Ontario
>
> Nolan Penney wrote:
> >
> > The water choke on a Holley/Weber is quite reliable and effective. More
> so in fact then their electric choke. The electric choke turns off at a
> pre-set rate based on the resistor wire, not the engine operating
> temperature. It senses nothing except the fact that the ignition is on.
> The water choke works with the engine, and releases the choke as the engine
> needs it. A far superior way to do it.
> >
> > Even on the ZS, the water side of the enrichener circuit works well, it's
> the rest of the components that cause the problems.
> >
> > Watch out for your hood clearance. There was a thread on this just a
> little while back. I believe the manifold you'll want will be dog legged
> downward, but I'm not certain of that.
> >
> > >>> "Bollinger, Bob D. (BODB)" <BODB@chevron.com> 03/23 12:29 PM >>>
> >
> > I am planning to replace the ZS carb on my 79 Spitfire with a Weber DGV.
> I
> > pretty sure I shouldn't go with the water choke as that seems to be one of
> > the faults of the ZS on the 79. The question I have is if I should go
> with
> > the electric or manual choke on a new Weber DGV? Also, any insights or
> > suggestions into the ZS to Weber conversion?
> >
> > On a related subject for my education, how does the electric choke works?
> > What does the electric choke sense in order to adjust the choke setting?
> >
> > Thanks,
> >
> > Bob Bollinger
> > 79 Spit
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