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Wiseco piston to pin clearance - is this normal?


Cosmic73

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My Nissan 350z pistons and pins arrived today and I assembled them into the con rods.

The fit between the pin and rod bush is snugger then the fit between the pin and the piston. In fact it's quite a loose fit between the pin and piston where I would've expected an interference fit.

 

This means the piston/pin interface will act as the wear surface, not the pin/rod bushing.

Below is a video of my concern, anyone else who bought pistons noticed this?

 

 

 

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