On 20 Jun 2003 08:19:14 -0700, snipped-for-privacy@mailandnews.com (Neo) wrote: >
>
>>
>>>Well, if you're in the market for a 245mm torque converter or pistons
>>>for the new in-line 6, I may be able to help. That's what we build. >>
>>Then make sure that the head gasket is properly assembled, if it's
>>done by human hands, thank you.
>
>
> We just machine the pistons, not assemble the engine. After we
> machine them they go out for polymer coating, then to the engine > plant.
>
> BTW, did you know that today's pistons are NOT round? They're oval.
> Don't worry; the machines for that operation are totally automatic.
> No union hands touch them till they're done. :-)
Yep, good pistons have been oval for a long time. If machined correctly, they are only oval when cold ... they should be circular at typical operating temperature.
Matt