Quote:
Originally Posted by jayvee34
To the best of my recollection: In the 30's, 40's, and 50's, the oil changing
interval's was recommended every 1,000 miles.
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Interestingly, the original owner's manual that in the glove box in my '40 Ford lists an oil change interval of 2,000 miles for engines without an oil filter, and 5,000 miles for engines with the optional filter.
Yes, that official number from Ford was 5,000 miles!