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gpeak 10-20-2003 05:09 PM

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.

mikeweyman 10-20-2003 05:50 PM

Is there a problem with thge car? or were you just wondering??

gpeak 10-20-2003 06:07 PM

Yes! It runs rough like there is a vacuum leak.

302 Z28 10-20-2003 07:18 PM

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.


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