TwinTurbo.NET: Nissan 300ZX forum - Anyone here usin JE Pistons? Do you have ne Piston slap?
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Subject Anyone here usin JE Pistons? Do you have ne Piston slap?
     
Posted by Yuengling on October 13, 2006 at 8:50 PM
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Message The engine is new. I've noticed on cold starts I have what seems to be piston slap. I was concearned at first, then reading on JE Piston's site I found out that the pistons are made of 2618 T6. They say 2618 Expands 15% more than 4032 Aluminum. so the piston-to-wall clearence has to be 15% greater. JE says... when cold, the 2816 piston can rock back and forth producing a slight noise ( sometimes reffered to as Piston Slap) So.... Anyone else using these pistons? Do you hear any piston slap in the cold engine?

     
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