Re: 65 409 Impala on overhaulin'
The '64 motors were a 422 casting. The '65s used the 656 casting. They were available in the 340hp and 400hp versions until Jan.
2,086 340hp & 742 400hp were built.
The 396 entered production in Feb. There was about a month when you could not order any big block.
Verne
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