Upgrade from pot metal ?

[Stoney]

I have a 1981 Sho-Bud The pro-1 which had both pot metal and machined aluminium parts when I bought it and has since had 2 more knee levers added with machined aluminium parts. I am wondering if it is worth upgrading all the pot metal parts as I hear they are prone to failure and I am gigging more often these days ? If it is worthwhile doing, is there anyone out there who could do this for me ?
Paul

[bob adams]

Email Sent.