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Y-Blockhead · 04-15-2020, 09:22 AM

During this time of "stat at Home", I have been re-reading some of my Model "A" News and Restorer magazines before I start the day.

Low and behold, this morning while reading the Tech Q & A section of the Model "A" News there was a mention of the cam threads.(pg 7).

It states they are 1-16 U.S.F. Milled Thread. It also says that U.S.F. later became U.S.S. or fine threads today. This info from the Benson Ford Library.

04-15-2020, 09:22 AM	#18
Y-Blockhead Senior Member Join Date: Jul 2011 Location: Redondo Beach, CA Posts: 5,849	Re: Tread chaser or thread size During this time of "stat at Home", I have been re-reading some of my Model "A" News and Restorer magazines before I start the day. Low and behold, this morning while reading the Tech Q & A section of the Model "A" News there was a mention of the cam threads.(pg 7). It states they are 1-16 U.S.F. Milled Thread. It also says that U.S.F. later became U.S.S. or fine threads today. This info from the Benson Ford Library.