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mattdavis11 mattdavis11 is offline
Just thinking out loud
 
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Join Date: Nov 2001
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Posts: 6,885
The gas is pushing out of the cap. Bar oil will leak in the same manner. Pressure leads to expansion, heat causes it. Cold, hot, cold, hot. Look at how bloated your gas can gets if there is no vent.
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Last edited by mattdavis11; 11-03-2020 at 07:38 AM..
Old 11-03-2020, 07:36 AM
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