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Old 08-31-2014, 08:58 AM   #33
Scooby Newbie
Member#: 314410
Join Date: Mar 2012
Chapter/Region: NESIC
Location: Milford NH
2004 WRX


Originally Posted by BeastianSTI View Post
If the rings rotated then ring placement wouldn't be as significiant. They might move SLIGHTLY but nothing significant

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My internet research says they rotate at about 10 RPM. If it's on the internet it must be true....

Link to a study on the effect of piston ring rotation,d.eXY
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