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Flathead 6 - Replace Head Gasket
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<blockquote data-quote="mcgovern61" data-source="post: 209331" data-attributes="member: 59"><p><img src="https://classicgoldwings.com/forum/gallery/image.php?album_id=10400&image_id=33489" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Talking to an old-timer who is rebuilding my generator about the wooden plug in the drain and he said, "Well I'll be! Don't ya know what that is??" I said, a wooden plug, right? He said,"Nope. That there is an original winter storage freeze out plug." He said that back in the day (before using antifreeze to winterize boat engines), you would drain the engine of water. But there was always a chance of water getting left in there so they would use a wooden freeze out plug. Any ice that would develop would pop that plug out long before the block could freeze allowing any condensation to drain.</p><p></p><p>I asked, why not just leave the hole open to drain? He said that the inside of the iron block would be a different temp than the outside (in overnight storage) and the change in temps would cause condensation to form. Leaving a wooden plug in kept the inner iron cooler without letting warmer air in right away causing internal condensation which would cause the block to start rusting from the inside out.</p><p></p><p>Learned me something new today!</p></blockquote><p></p>
[QUOTE="mcgovern61, post: 209331, member: 59"] [img]https://classicgoldwings.com/forum/gallery/image.php?album_id=10400&image_id=33489[/img] Talking to an old-timer who is rebuilding my generator about the wooden plug in the drain and he said, "Well I'll be! Don't ya know what that is??" I said, a wooden plug, right? He said,"Nope. That there is an original winter storage freeze out plug." He said that back in the day (before using antifreeze to winterize boat engines), you would drain the engine of water. But there was always a chance of water getting left in there so they would use a wooden freeze out plug. Any ice that would develop would pop that plug out long before the block could freeze allowing any condensation to drain. I asked, why not just leave the hole open to drain? He said that the inside of the iron block would be a different temp than the outside (in overnight storage) and the change in temps would cause condensation to form. Leaving a wooden plug in kept the inner iron cooler without letting warmer air in right away causing internal condensation which would cause the block to start rusting from the inside out. Learned me something new today! [/QUOTE]
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Flathead 6 - Replace Head Gasket
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