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david_r · February 16, 2013, 03:10 PM

I have trouble believing 14.7 PSI of pressure (vacuum is a lack of pressure) would cause that. That is the equivalent of 8 ounces pushing on the back of a large primer.

February 16, 2013, 03:10 PM	#20
david_r Senior Member Join Date: January 9, 2013 Posts: 131	I have trouble believing 14.7 PSI of pressure (vacuum is a lack of pressure) would cause that. That is the equivalent of 8 ounces pushing on the back of a large primer.