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On a 4 barrel Edelbrock manual carb...Does the butterfly choke open up with the 2 front barrels?? I hope I asked that right.
 

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I think you're talking about that weighted assembly located above the secondary throttle plates. The answer is no. The throttle plates open via the linkage, but the unit above is opened by vacuum created by the engine.
 

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MI2600 said:
I think you're talking about that weighted assembly located above the secondary throttle plates. The answer is no. The throttle plates open via the linkage, but the unit above is opened by vacuum created by the engine.
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