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Little Help Deciphering Engine Number


jd52cranbrook

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Hello,

I just purchased a engine from a friend that came out of a early 60's Power Wagon.

Also, this engine was a replacement that his dad bought from Sears way back.
It has a Spitfire Head, although I know it may not have been original.  It is the long block.

Numbers as best I can read are;

This is where my P23 engine number is located, driver's side, front close to the head.
N258979CAL

Another number on the block, close to where the starter is;
1138129-5, I think this is the casting number

Any help as to what size motor this is?  Everywhere I looked on the internet do not show a number starting with N,, but this letter I am sure of.
Thanks in advance

 

Edited by jd52cranbrook
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Hello,

I just purchased a engine from a friend that came out of a early 60's Power Wagon.

Also, this engine was a replacement that his dad bought from Sears way back.

It has a Spitfire Head, although I know it may not have been original.  It is the long block.

Numbers as best I can read are;

This is where my P23 engine number is located, driver's side, front close to the head.

N258979CAL

Another number on the block, close to where the starter is;

1138129-5, I think this is the casting number

Any help as to what size motor this is?  Everywhere I looked on the internet do not show a number starting with N,, but this letter I am sure of.

Thanks in advance

 

 

If that "N258979CAL" is stamped into the block, and not a casting number (raised) it is either a number assigned to the engine by a rebuilder, or. judging by the "CAL", the State of California,

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