Thread: SR Service replacement block number
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Old 01-27-2022, 01:56 AM
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John Eiseman John Eiseman is offline
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Join Date: Dec 2009
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Default 70 SR 400
This one 70 SR 400 block is SR81318 and is a #9799914 cast with an early build. Maybe an H or I of 69 date.code? Will check exact date later for you.

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