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Old 02-26-2009, 06:14 PM
msauntry's Avatar
msauntry msauntry is offline
 
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What if cooling was partially blocked?

What symptoms would you expect to see if the water passages around a cylinder were partially blocked? What would happen to the plugs? Effects on combustion, etc.? Any other problems you think could arise?

The drain plugs under my #1 and #4 cylinders were both clogged up with fine debris. They were clogged for a good portion of the way up the cylinder wall, but only on the "out" side, i.e. -where they meet up with the #2 and #3 cylinder was still exposed to cooling water.

The engine wouldn't overheat since the open areas around the other cylinders would moderate the temps, but I'd think half of #1 and #4 cylinder would be suffering from a localized hot spot or thermal stress. I had some wierd issues with different heat range plugs and I'm not sure what was happening.

Thanks,
Micah
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