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Date Code Question

Old Jul 14, 2014 | 06:40 PM
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Default Date Code Question

Just replaced the expansion tank on my '66. Note the date code on the old tank. Dumb question maybe but does anyone have any ideas why it would be a 80M?

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Old Jul 14, 2014 | 06:42 PM
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1980...:d
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Old Jul 14, 2014 | 06:52 PM
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December 1980
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Old Jul 14, 2014 | 07:10 PM
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Originally Posted by Nowhere Man
December 1980
I get the 80 part but M equals the 13th month and of course there is no 13th month. A mistake?
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Old Jul 14, 2014 | 07:22 PM
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Chevy never used the letter "I" for a date code on parts
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Old Jul 14, 2014 | 08:56 PM
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Originally Posted by Nowhere Man
Chevy never used the letter "I" for a date code on parts
Got it... Thanks
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