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Old 10-20-2003, 05:09 PM
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Checking for vacuum leaks

JUst wondering. Is a thick towel over the carb. a good test for vacuum leaks? I have done this before and if the engine dies when you do it, means there are no leaks. But mine still runs like it has a leak some were.

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Old 10-20-2003, 05:50 PM
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Is there a problem with thge car? or were you just wondering??
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Old 10-20-2003, 06:07 PM
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Yes! It runs rough like there is a vacuum leak.
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Old 10-20-2003, 07:18 PM
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If you have a vacuum leak when you restrict airflow into the carb, the engine will speed up. A quick method to check for vacuum leaks at the intake maifold is to run water along the intake-head joint.

Vince
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