> Rocco Taco Wrote:
> -------------------------------------------------------
> Iv heard other people say file one side only. I think the idea is to
> keep the edges straight as possible and not to remove the protective
> coating.
>
> A gap is a gap, I think people believe that filling only one side will
> make the edges grow uneven.
>
> Your gap might be offset a little compared to filling both sides but the
> gap will be the same size.
The only 'coating' that should be protected is any on the face of the rings .
I can see keeping the ends even / symmetrical / square to each other . Short of that , no real advantage .
So , it seems either way won't change anyone's world in any measurable way .