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The casting number is commonly one digit=20
different from the final part number. I think=20
they made the finished part drawing first, then=20
made a copy of it to modify the drawing to show=20
more material on the casting before=20
machining. When assigning drawing numbers, the=20
finished part number was first followed by the=20
casting number. Some castings can be machined=20
differently to make different finished parts (with different part numbers).
Barney Gaylord
1958 MGA with an attitude
http://MGAguru.com
At 06:10 PM 11/15/2021, S.Carr wrote:
>The Moss catalog lists two different part=20
>numbers for the stock cast-iron=20
>manifold=97depending on the years fitted=97but the=20
>drawings look idendentical.=C2 Can anyone supply=20
>the casting numbers for each?=C2 We don=E2=80=99t know what we have.
>
>Thanks in advance,
>Sarah Carr
>BN1 in PA
>....
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<font size=3D3>The casting number is commonly one digit different from the
final part number. I think they made the finished part drawing
first, then made a copy of it to modify the drawing to show more material
on the casting before machining. When assigning drawing numbers,
the finished part number was first followed by the casting number.
Some castings can be machined differently to make different finished
parts (with different part numbers).<br><br>
Barney Gaylord<br>
1958 MGA with an attitude<br>
<a href=3D"http://mgaguru.com/"; eudora=3D"autourl">http://MGAguru.com<br><br=
>
<br>
</a>At 06:10 PM 11/15/2021, S.Carr wrote:<br><br>
<blockquote type=3Dcite class=3Dcite cite=3D"">The Moss catalog lists two
different part numbers for the stock cast-iron manifold=97depending on the
years fitted=97but the drawings look idendentical.=C2 Can anyone suppl=
y
the casting numbers for each?=C2 We don=E2=80=99t know what we=
have.<br>
<br>
Thanks in advance,<br>
Sarah Carr<br>
BN1 in PA<br>
....</font></blockquote></body>
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