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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition Advance
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<blockquote data-quote="greg brillus" data-source="post: 128783" data-attributes="member: 597"><p>What kind of normal loading could possibly go through a piston and it's rings to cause them to break up........I cannot imagine a manufacture with the experience an knowledge of CP or any other top quality piston having that kind of issue.......Not all symptoms of detonation melt holes though piston crowns, the shock load from the flame fronts hitting each other is what has overloaded and caused the rings to break........In many cases the actual ring lands break off. This is also a symptom of detonation at lower engine speed and loading thus causing eventual damage rather than something more catastrophic like a hole melted in the piston crown from a lean condition whilst the throttle is held wide open.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 128783, member: 597"] What kind of normal loading could possibly go through a piston and it's rings to cause them to break up........I cannot imagine a manufacture with the experience an knowledge of CP or any other top quality piston having that kind of issue.......Not all symptoms of detonation melt holes though piston crowns, the shock load from the flame fronts hitting each other is what has overloaded and caused the rings to break........In many cases the actual ring lands break off. This is also a symptom of detonation at lower engine speed and loading thus causing eventual damage rather than something more catastrophic like a hole melted in the piston crown from a lean condition whilst the throttle is held wide open. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition Advance
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