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Piston Ring Fit Question

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Old Jul 30, 2011 | 10:33 PM
  #1  
lgaff's Avatar
lgaff
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Drifting
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From: Crystal lake Il
2022 Corvette of the Year Winner -- Modified
2021 C4 of the Year - Modified Winner
Default Piston Ring Fit Question

No one makes the LT-5 rings.....Total Seal sent over a set

The top ring is .004 side clearance vs stock at .002-.003


How much backspace is too much?, these are .025 stock is .016

Thanks
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Old Aug 4, 2011 | 01:15 AM
  #2  
mAydAy121's Avatar
mAydAy121
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From: Concord NC
St. Jude Donor '10
Default

End gap has a LOT of variables. The most significant being ring material and application. A steel ring needs a diff gap compared to a moly ring, a heavy nitrous application needs a different endgap than say a mild street motor, etc.

Backspace you typically want as tight as you can without binding up when at temperature...once again, ring material comes into play. A larger backspace can be useful with gas ported pistons for instance. .025 sounds on the large side. I'd get up with Total Seal, they should know more than anyone....
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