TwinTurbo.NET: Nissan 300ZX forum - are you kidding?
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Subject are you kidding?
     
Posted by aliaZ on May 08, 2007 at 11:15 PM
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In Reply To So i said steel instead of metal posted by pacmanpth on May 08, 2007 at 10:43 PM
     
Message the pistons are cast aluminum, the rods and crank are forged steel.

Yes, both cast and forged pistons are aluminum, yet they are different alloys. They have different coefficients of thermal expansion

     
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