[Fot] Weber carb issue

[Spitfire Racing]

I had this same issue when I ran twin DCOEs on the Spitfire years back.
Turned out to be a piece of debris that somehow got through the filter. 
russ

-----Original Message-----
From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Allen Washatko
Sent: Monday, September 01, 2014 11:31 PM
To: McKearn McKearn
Cc: fot at autox.team.net
Subject: Re: [Fot] Weber carb issue

P.J.

Can't answer the idle adjustment issue but I would say that the needle and
seat valve at the float needs replacement. Just had the same issue with a 40
DCOE Weber. The needle valve comes in the standard rebuild kit so it must be
a regular replacement issue. Use a 175 which is good up to 300 H.P.

Fuel pressure may be a little high. Pierce Manifold recommends 11/2 -
2 lbs. max pressure for side draft Webers.

Hope that helps some.

Allen
On Sep 1, 2014, at 8:45 PM, McKearn McKearn wrote:

> Hi All.
>  I have triple webers on my GT6 and one carb does not respond at all 
> to changing the idle adjusting screws. This is the number three carb.
> which is
> at the rear of the engine. It is also leaking a bit of fuel when fuel 
> pump is on with engine not running. Fuel pressure is 2-3 psi.  This is 
> the first carb in line after the fuel pump. Could this be a float 
> problem?
>  Thanks P.J.
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Allen & Jody Washatko
1971 TR6  - Number 6
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