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Old 10-21-2004, 11:28 AM   #1
Locutus
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taper on pistons rings

what is the purpose of the taper on the inside of 1st and 2nd piston rings. On the inside part one corner is squared and one is angled.

Looks Kinda of like this
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Old 10-21-2004, 11:40 AM   #2
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It allows the combustion gasses to exert outward pressure on the rings, and therefore on the cylinder walls.
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Old 10-21-2004, 11:57 AM   #3
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so wich way should they be installed and what happens if they are installed wrong.
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Old 10-21-2004, 12:00 PM   #4
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The little taper should be on top, the square side down.
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Old 10-21-2004, 12:02 PM   #5
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for both rings?
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Old 10-21-2004, 12:04 PM   #6
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Yes, both. The rings should have included a little piece of paper explaining installation.
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