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70 LT1 Piston Ring Side Clearance

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Old Aug 5, 2011 | 08:57 PM
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Default 70 LT1 Piston Ring Side Clearance
What is the spec for the piston ring side clearance. I did not see a spec in the shop manual or the GM power manual.
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Old Aug 5, 2011 | 09:39 PM
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There is a groove clearance and a gap clearance for the rings, please define side clearance?
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Old Aug 5, 2011 | 10:56 PM
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Side clearance is the gap between the ring and the ring land. In essence, it is how much can the ring move up and down when inside the ring groove.
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Old Aug 6, 2011 | 11:19 AM
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Thats the groove clearance and it's listed in my copy of the factory overhaul manual as
Compression Ring: Top,Production .0012 - .0032
2nd,Production .0012 - .0027
Service Hi limit production .001
Oil Ring: Production .000 - .005
Service Hi limit production .001
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