Water pump down
Hotshot
Joined: Dec 2014
Posts: 17,762
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From: Jersey Shore
Mine was installed hand tight for tens of thousands of miles. Pressure can be there always, more of pressure change due to ambient temps. You may find it takes a week to get any air out of the core.
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amish77
Ford Inline Six, 200, 250, 4.9L / 300
8
Oct 11, 2005 10:20 PM
200000+F150
Ford Inline Six, 200, 250, 4.9L / 300
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May 18, 2003 12:03 AM