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Old 08-12-2007, 06:26 AM
musclecar fan musclecar fan is offline
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Default Polyglas Decode Help Needed

I have a set of F70x14 original (I think) Polyglas GT's. The code on one of them is MFLD-Y45357. It also has A14L stamped on it. Does anyone know how to decode this? Thanks
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Old 08-12-2007, 10:05 PM
1969z280 1969z280 is offline
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Default Re: Polyglas Decode Help Needed

I worked at a Goodyear Store as a kid in school as a tire buster. The reason they date coded the tires was to be able to tell if they were still under warranty (defect) and could be pro-rated. As I recall, the date code was simply stamped backwards (i.e. year, date, month) but this does not seem to apply to the stamping that you indicated. The best that I can surmise is that the tire is from 1971. Hope that helps.

Ed
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Old 08-13-2007, 10:28 PM
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Mr70 Mr70 is offline
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Default Re: Polyglas Decode Help Needed

Those look circa 1977 to me.
MFLD was the Goodyear Rubber Plant in Gadsen,Ala.
Y45 is the mold #.
35 is the 35th week of the year.
7 stands for the last digit of the year produced.
I believe it's 1977,as Goodyear wasn't producing tires at Gadsen prior to then,and McCreary took over production soon afterwards.
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Old 08-13-2007, 10:44 PM
king_midas king_midas is offline
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Default Re: Polyglas Decode Help Needed

Apparently those tires are clones!
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