Re: [AMC-list] Not done with Freeze Plugs yet

[Joe Fulton <piper_pa20@xxxxxxxxxxx>]

--- 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

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