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Old 06-23-2007, 12:10 PM
F&J F&J is offline
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I chased the same problem on a 76. I would unhook & plug all the vacuum hoses from the carb. If the problem goes away then hook up one at a time to find the leak.

If it does not help, then it could be a major internal vacuum leak in the carb, like the 76 did. That was a OEM quadrajet.
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