--- On Sat, 3/13/10, Armand Eshleman <aje1@xxxxxxxxxxxxxxx> wrote: > From: Armand Eshleman <aje1@xxxxxxxxxxxxxxx> > Subject: [AMC-list] Not done with Freeze Plugs yet > To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxx> > Date: Saturday, March 13, 2010, 11:47 AM > Frank said "They plug the holes used > to pour molten steel or aluminum into > the mold for the block (or head). " > > I said > As long as we are being really anal about "freeze" plugs, > and because it was > mentioned we like to learn things on this list, and because > it was mentioned > about getting a lecture or something like that, I guess I > better add my > coins to the discussion. > Actually the "holes" that the plugs fill are NOT where the > molten metal is > poured into the mold. The holes filled with > "freeze/welch/core" plugs (I've > heard them referred to as soffit plugs too) is actually the > hole that the > sand is removed from. The molds that cast iron blocks are > poured with is > made of casting sand. There I said it and I'm done. > > Armand > >> > Armand, thank you. But I have a question: Since the aluminum blocks where die cast (presumably molten aluminum was injected into a die under pressure) why was a core hole necessary? Joe Fulton _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com