Thread: DEF Brands
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Old 12-26-2021, 07:06 PM   #40
twindman
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Quote:
Originally Posted by DadsHemi View Post
https://www.montanaowners.com/forums...1&d=1640561404

New style date code, I’m pretty sure the first two numbers are the year -1 and the next 3 numbers are days. Instead of the plant being the first it looks like they moved it to the middle. If this is correct then this jug was manufactured on 11/12/21.
I don't understand the date - 11/12/21. Wouldn't it be the 49th day of 2021?
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