1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Whats up with my carb?

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Old Jan 21, 2004 | 05:01 PM
  #1  
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From: Shoreline, Wa
Whats up with my carb?

ive got the stock carb, and only the two smaller barrels inject fuel. I rev it to WOT and still its running on the two small ones. No pressure, drips or anything are ever coming out of the larger jets. Whats my problem?
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Old Jan 21, 2004 | 05:09 PM
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Sterling's Avatar
Nikki-Modder Rex-Rodder
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From: Trying to convince some clown not to put a Holley 600 on his 12a.
The secondaries will only operate under load. They are prompted to open by vacuum created by the flowing air thru the primaries.
You won't see them open in the driveway.
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Old Jan 21, 2004 | 05:24 PM
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From: Australia
interesting.
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Old Jan 21, 2004 | 06:53 PM
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From: charlotte, NC
mechanical secondaires!!!! then you will see the 4 open.
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