Capricorn
Well-Known Member
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- Apr 1, 2018
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- Las Vegas, NV
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- 2024 JL Willys XR V6
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- Network Architect & Engineer
Pretty easy and I only look at the first 5 numbers after the state code. First 2 number minus 1 = year manufactured. If it is 21 then 21 - 1 = 20, so 2020 is the year of the manufacture.Has anyone broken the code for the "use by" date for Blue Def.
The next 3 digits needs to be subtracted by 365 to get the month and date of manufacture. If it is 165, then 365-165 = 200th day of the year. To get a rough idea I divide the result by 30 to get close to the month and day. So 200 would be somewhere around June/July.
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