Brass or steel freeze plugs-anyone have any real longevity experience to share

bcmbcmbcm

Dirt-Old 20+Year Member
Jan 29, 2003
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Hey folks, I searched and read that brass doesn't rust but may flex more and could pop out. Is there any truth to this? Does anyone have any real world experience? Engine will be out and I would like to make a decision. Cooling system will, of course, be properly maintained over time.
 
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