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what are these

1497 Views 11 Replies 6 Participants Last post by  kavadarci
i see them on many engines but what are these plugs for?


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those are freezing plugs but also used to remove inside dirt on the block. If you pull them out use a screw driver, a hose and start removing inside corrosion deposits. You can built your own gaskets.
1 - 1 of 12 Posts
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