Quote:
Originally Posted by Ryanz
This?
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No. That's a nice shot of your head casting number.
Casting numbers are made in the Mold, and each identical piece that is then molded has the same casting number. Dress Numbers are hand-struck by the factory machinist, when the engine is fully assembled. The first part tells the Plant. and Date, the last 2 or 3 letters tell the application the block was originally intended for. [So a transplanted engine has the numbers for its old vehicle.]
Here are three of mine.
F1116PG....A 1963 model year 292 [spare core]
F0626UH......Came out of a '67 K/20 Stepside in a junkyard
F0627XAE.....Original engine in my '68 C/10 when I bought it in 1973. Spent 1977 to 2002 in crates, while I ran the above block for 250,000 miles. Rebuilt and installed in 2005.