396 427 11" flywheel 3973456N Dated B/1/9

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69L72RS · #1 06-04-2006, 03:36 AM

What is the casting date on the 074 head?
Is it complete?

I have a 456N flywheel on a 454. It has the large cast counterweight near the ring gear. Did they use the same casting for both internal and external balanced engines?Does yours have the counterweight?

Thanks,
Eric

**92646** · #2 06-04-2006, 07:31 AM

Shows how much I know. I thought this part number was specific to the internally balanced 396 427 motors. This flywheel does not have the large counterweight. The aluminum head is bare and has a 1972 casting date. I attached a picture.

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