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Old 01-10-2011, 11:53 PM
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ShadowLands ShadowLands is offline
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Join Date: Jan 2011
Location: Houston, Texas
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Quote:
Originally Posted by Cliff R View Post
I think what happens is that the huge secondary throttle plates extend too deep into the plenum. Being deeper than the primary plates, some turbulence is created, or something that effects airflow and distribution into the cylinders.
It is a loss of vacuum signal to the carb when the secondary blades open suddenly that causes the stumble.