Here's why:
* Casting Number Breakdown: Casting numbers are a combination of digits and letters that identify the year, engine size, and other features of a GM engine.
* 3970014 Significance: The first three digits of this casting number (397) are key. In GM engine casting numbers, the first three digits typically indicate the engine's cubic inch displacement.
* 327 Cubic Inch Engine: 397 represents a 327 cubic inch engine.
Please note: This is based on general knowledge about GM engine casting numbers. For the most accurate identification, it's best to consult a reliable engine identification resource, such as:
* GM engine identification guides: These can be found online or in automotive repair manuals.
* Online forums or databases: Many automotive forums and databases have information on GM engine casting numbers.
Important Information: It's crucial to use a variety of resources and confirm your findings to ensure accuracy.
