<VV> Single Carburetor-reply

[djtcz at comcast.net]

original message - 
Date: Mon, 22 Apr 2013 15:49:43 -0400 (EDT) 
From: Matt Nall < patiomatt at aol.com > 
Subject: Re: <VV> Single Carburetor-reply 

The problem is when I watch the vacuum advance when I blip the engine 
from idle it dips before it goes up, after that the advance is 
normal. I have set the timing by making sure it does not go above 32 
degrees BTDC at high rpm. I need to get rid of the "dip". The 
engine sometimes stumbles when it dips and may even pop back through 
the carburetor. The vacuum is connected to the vacuum tube already on 
the carb, not from the manifold. Would manifold vacuum work better? 
JI 

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Is that 32 degrees total at high rpm with the vac advance still attached?