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Run no 2nd ring

Old Apr 23, 2009 | 08:39 PM
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Default Run no 2nd ring

Anyone ever hear of only runing just a top ring in a Max Effort 346 to reduce drag? im thinking u whould have to have a very small gap to keep it from loosing comp
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Old Apr 23, 2009 | 09:54 PM
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Originally Posted by SSPerformance
Anyone ever hear of only runing just a top ring in a Max Effort 346 to reduce drag? im thinking u whould have to have a very small gap to keep it from loosing comp
The 2nd ring isn't really a compression ring, mainly just an oil scraper. The problem would be oil control and balancing out the tension in the rings to compensate for 1 less ring, while gaining something from the decrease in friction that losing the 2nd ring gives. It's a delicate balancing act for big money race teams (Formula 1 for example). Not really for "Joe the Pumber," building an engine in his garage.
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Old Apr 23, 2009 | 10:01 PM
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Originally Posted by KCS
The 2nd ring isn't really a compression ring, mainly just an oil scraper.
True story.
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Old Apr 30, 2009 | 12:10 PM
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Sorry for the week-old thread bump, but does the ring really cause enough friction to have noticeable gains from not having it?
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Old Apr 30, 2009 | 10:15 PM
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yes we have seen this for max effort NA motors
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Old May 2, 2009 | 07:56 PM
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anyone else on this?
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