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Old 10-04-2006, 06:02 PM
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holly carb

i have a 600 holly and the vacuum port on the passenger side above the idle mixture screw has full vacume at idle, anybody know why

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Old 10-04-2006, 06:55 PM
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It could be that your throttle is too far open at Idle and uncovering the port, the carb body is bad or it's been modified. Just guessing with little to go on.
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