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oil expansion ring end gap

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Old Oct 6, 2016 | 09:23 PM
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Max Headflow
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From: poway
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Originally Posted by deluxe
Thanks Taggs,

Its the expansion ring (wavy one) I have a concern about, rather than the oil rings or compression rings. It touches ends when on the piston and when checking in the bore. Is this correct of should its gap be the same as the oil control rings around 0.0200 - 0.0300 thou?

Rob
The expansion ring should butt in the cylinder.. The outside oil rails will have about 50% more gap than the top 2..
 
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