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Hi Chuck,
They're all right. It's a 998 Cooper Head, an MG 1100 head, a Mk III
Sprite 1098 head, and it makes a nice head on a 948 (which I have on mine)
Cheers,
Rick Neville
On Sat, Nov 2, 2019 at 1:27 PM crusaderchuck55--- via Spridgets <
spridgets@autox.team.net> wrote:
> A long time ago in a far away galaxy...( oops! Wrong story!)
> Ok yes a long time ago I was deeply involved in the early days of what
> became the 55-57 Chevy craze. Where this is going is I'm having difficulty
> decoding and understanding casting dates or codes and some contrary casting
> number aplication references in order to understand some of what I've
> required over the years. In the general motors world every casting not
> only had a raised part number but also a casting date. You knew you had a
> February 1955 intake manifold by the part number and the casting date.
> Yesterday I found a 12G295 bare ( kinda rusty too!) Cylinder head in some
> forgotten stuff.
> One site states it's a 1100 MG head , another states it is a 998 Cooper
> head AND yet another states its a good 948 head without refrence to its
> original intended application be it a specifi c displacement motor OR a
> spread of ( start to end of use?) Application years . ALSO I'm finding
> references to "home market" & " export market".
> So it starts with a "12G" does that denote 1275 original application? Is
> it indeed a 1098/1100 head ( I may need a 1098 head?) ?
> Im a lot behind in the decoding of these items. I simply used what I had
> years ago..
> Thank you!!
> Chuck
>
>
> *Sent from my LG Mobile*
> ------------------------
>
> spridgets@autox.team.net
>
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<div dir=3D"ltr">Hi Chuck,<div><br></div><div>They're all right.=C2=A0 =
It's a 998 Cooper Head, an MG 1100 head, a Mk III Sprite 1098 head, and=
it makes a nice head on a 948 (which I have on mine)</div><div><br></div><=
div>Cheers,</div><div>Rick Neville</div></div><br><div class=3D"gmail_quote=
"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Nov 2, 2019 at 1:27 PM crus=
aderchuck55--- via Spridgets <<a href=3D"mailto:spridgets@autox.team.net=
">spridgets@autox.team.net</a>> wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex">
<div>
<div style=3D"font-size:10pt"><div dir=3D"auto">A long time ago in a fa=
r away galaxy...( oops!=C2=A0 Wrong story!)</div><div dir=3D"auto">Ok yes a=
long time ago I was deeply involved in the early days of what became the 5=
5-57 Chevy craze.=C2=A0 Where this is going is I'm having difficulty de=
coding and understanding casting dates or codes and some contrary casting n=
umber aplication references in order to understand some of what I've re=
quired over the years.=C2=A0 =C2=A0In the general motors world every castin=
g not only had a raised part number but also a casting date.=C2=A0 You knew=
you had a February 1955 intake manifold by the part number and the casting=
date.=C2=A0</div><div dir=3D"auto">Yesterday I found a 12G295 bare ( kinda=
rusty too!) Cylinder head in some forgotten stuff.</div><div dir=3D"auto">=
One site states it's a 1100 MG head , another states it is a 998 Cooper=
head AND yet another states its a good 948 head without refrence to its or=
iginal intended application be it a specifi
c displacement motor OR a spread of ( start to end of use?) Application ye=
ars .=C2=A0 ALSO I'm finding references to "home market" &=
; " export market".=C2=A0 =C2=A0</div><div dir=3D"auto">So it sta=
rts with a "12G" does that denote 1275 original application?=C2=
=A0 Is it indeed a 1098/1100 head ( I may need a 1098 head?) ?</div><div di=
r=3D"auto">Im a lot behind in the decoding of these items.=C2=A0 I simply u=
sed what I had years ago..</div><div dir=3D"auto">Thank you!!</div><div dir=
=3D"auto">Chuck</div><div dir=3D"auto"><br></div><div dir=3D"auto"><br></di=
v><div><div dir=3D"auto" style=3D"font-size:9pt"><i>Sent from my LG Mobile<=
/i></div></div></div>
</div>------------------------<br>
<br>
<a href=3D"mailto:spridgets@autox.team.net"; target=3D"_blank">spridgets@aut=
ox.team.net</a><br>
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et=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/spridgets"; rel=3D"norefer=
rer" target=3D"_blank">http://www.team.net/pipermail/spridgets</a>=C2=A0 <a=
href=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank=
">http://autox.team.net/archive</a><br>
<br>
ets/healeyrik@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.=
team.net/mailman/options/spridgets/healeyrik@gmail.com</a><br>
</blockquote></div>
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spridgets@autox.team.net
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