Re:Piston ID?

[Tom Jennings <tomj@xxxxxxx>]

On Tue, 31 May 2005, Peter Marano wrote:

> As I remember the 'F' in the TRW part number denotes forged.
>
> Did you have the pan off?  The forged pistons are smooth on the bottom/ 
> inside.

Yes, and I took some photos; the piston pin bosses are all smooth,
like good diecast or machined and polished, visually similar to
semigloss grey paint.