Jim :
Can't tell you the exact chemical offhand, but Phosphating is a surface
hardening treatment, somewhat similar to case hardening. It does leave
the surface looking very rough and dark, but that's just a side effect.
It will quickly polish up in service.
Randall
59 TR3A daily driver
a Wallace wrote:
>
> I just received a set of new lifters from British Parts Northwest. After
> speaking with (?) there, I elected to go with the heavy duty ones, since
> they have a hole in the side which makes since to me.
> So they get here and look very different from the ones that came out, which
> look chrome plated. These are phosphated.
> What is phosphating? The surface doesn't seem as smooth - is so that oil
> can "hang on" better? I normally equate rougher with more wear, which I do
> not want.
> Jim
> >60K 3a
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