Speedmaster intake porting. Hopefully I can make something out of this

Not to sidetrack the thread but I thought these pics of my brothers cast iron Pontiac intake just back from a Poncho guru in Canada might interest some .
Nice work !

View attachment 1715674887 View attachment 1715674888 View attachment 1715674889 View attachment 1715674890


Looks like some cnc and handwork. Very nice.