Quote:
Originally posted by wawazat??
Ok, first pistons are aluminum, not steel NikFu. Second you can forge aluminum like you can forge steel. It's a production method that utilizes massive amounts of pressure to form a cold metallic slug or billet into a roughly shaped part. This part is then machined to final dimensions. Casting starts witha molten metal which is poured in to a mold that approximates final shape, allowed to cool, and then machined into its final dimensions. Forging is typically stronger due to a more uniform grain structure in the base metal. Casting produces a random grain stucture and can introduce porosity (bad!) into the part.
Todd
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innnnnnput.
i could swear that the pitsons were steel. i thought i had a crack in my block early this year so i did a lot of research because someone said cast engines cant be repaired, yet forged ones can, and i remember being relieved at finding everything was forged. also i didnt have a cracked block.
but coming from me its just hearsay. i dont usually expect to have to PROVE anything.
