On warning with aluminum, if the fit is too tight, it can lock right up
due to galling. It better to use copper, brass or lead.
Copper is best with diamond.
justin reeves wrote:
> Thanks for the help guys, also to anyone else this may help.
> I read that barrel makers use hot lead and pour it into the bore and add a shaft for a handle, then the lead lap is stroked over the bore w/ lap paste.
> I have already bought some 800 grit paste, and thought I would use a aluminum
> lap from a previous post from Nick,
> do you think there would be a big difference in the diamond oil and the silicon carbide oil. I didn't do a lot of research before buying it and noticed after the fact that the model engine guys use diamond oil, the red ,witch ever grit that is.
is Nicholas Carter and Felice Luftschein. See our
homepage at www.cartertools.com/nfhome.html