Harry Pellow's "case casting number"

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Jim Alton
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Re: Harry Pellow's "case casting number"

#16 Post by Jim Alton »

Vic Skirmants wrote:One reason for the variations in the 356 engine assembly number, is that those numbers included ALL 356 engine numbers; industrial engines, etc. 911 engines were pretty homogeneous; standard engines, with only an occasional race engine.
In fact, through engine # 903581 (build number 3481) the build number + 900100 gives the engine number. After that the relationship slowly diverges through the 901/01 (Solex carb) engines.
 
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Jim Stephenson
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Re: Harry Pellow's "case casting number"

#17 Post by Jim Stephenson »

Doug D. posted the " Porsche Production Book " page for me. " Thanks Doug ! "

Just thought I would post the "Porsche Production Book" picture of a page from August 1957 this was posted in a Registry article volume 23 number 6 April 2000 written by Dick Koenig. This clearly shows several things too include engine serial number and the engine Internal work order number which I believe is the number stamped on the top of one case half.
Great article, would be worth the registry to republish this article.

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James Davies
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Re: Harry Pellow's "case casting number"

#18 Post by James Davies »

Thanks for posting that Jim. That's exactly what I was talking about. The columns are:

Chassis Nr.
W.A. Nr. (Werksauftrag, or work order)
Date
Motor Nr.
Internal Nr. <---
Motor type
Trans Nr.
Radio serial number
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Greg Bryan
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Re: Harry Pellow's "case casting number"

#19 Post by Greg Bryan »

We have talked about a lot of different numbers on the case - here are pictures ...

Serial Number - this is a 912 case from 1967
IMG_2046x.jpg
The 'Internal Number' on the left - 90511 - very early 912, and the Engine Type - 616/36
IMG_2047x.jpg
Case half match number
IMG_2048.jpg
Third piece match number - Porsche was soon to stop stamping the 912 third piece and only the case halves were stamped
IMG_2049.jpg
Casting date - In this case, July/1965
IMG_2050.jpg
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David Pateman
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Re: Harry Pellow's "case casting number"

#20 Post by David Pateman »

Thanks Greg. This is a very good set of numbers. On the inside of the third piece there may also be a casting date, however I also look for the casting part number and manufacturer logo.
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Greg Bryan
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Re: Harry Pellow's "case casting number"

#21 Post by Greg Bryan »

The case part number - in a funny place ....
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IMG_2064.jpg
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