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Luis Tejeda

Pontiac flathead engine date of manufacture

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I just bought a Pontiac flathead 6 engine and I was wondering what the year year it is. The casting block number is 6-315217. I'm also looking for a water pump.

Thank you.

20181222_131303.jpg

20181222_131314.jpg

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6-315217 is not a casting number. it is a stamped number. A stamped number is probably the engine serial number.

The second picture shows a casting number 489000.  A casting number is always raised.

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According to the engine number lists in The Standard Catalog that engine is 1937. About halfway through the run. I expect there might be a casting date on it somewhere.

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