Quote:
Originally Posted by dmsfrr
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I do somewhat understand Ford's numbering system. "Numbers matching" was once a term only used by the GM people, where it means something completely different. On GM you could tell if major components were the one's a car left the factory with. On a Ford you can only tell if the part number and date code are consistent with ones built within a time frame the car would have been manufactured in. So a diligent restorer of a Ford can install a different part and still have it be consistent with the numbering system. On a GM, that's not possible. So even though the term has crept out of the GM camp and over to ours, it isn't the same thing. To the best of my understanding.