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Wiseco ring end clearance

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Any one running a wiseco piston kit in their '13?

Measured stock ring end gap and wiseco end gap are both 0.013. Wiseco's rule of thumb calculation says it should be 0.015~0.016.

My first thought is that 0.002 shouldn't make a difference, but I have no idea how much thermal expansion to expect from what ever material the new ring is made from.

Has anyone run one without filing it down?

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I've never run one in that exact model but I have always followed Wiseco's recommendations and they have never failed me. Typically Wiseco's clearances are slightly larger due to the whole cast vs. forged thing. That shouldn't matter in our application though. I would use Wiseco's recommendation but nothing. A phone call cannot confirm.

The gap on the JE piston I just installed in mine was also .013.

Edited by BDubb106

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