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Mike Peters · 09-12-2022, 05:44 AM

Thanks for the information, Rotorwrench. I first read about Model T tire valve stems in the Model A News in one of Doc Kalinka's last articles several years ago. It was there that he mentioned the 777 valve stems as being original for Model T, and not to be confused with the later 888 stems used on the first Model A's in 1927. As you mentioned, the 888's are shorter than the 777's. In the same article, he also mentioned that the Tire and Rim Association was founded in 1929, and stems made in 29 and later has the Tr markings. That explains why Model A stems made in late 29 and later all had the TR markings with a number stamped on them. I am assuming that the 888TR16 stems were a replacement stem used after 1929?
Is there a Model T Judging Standards similar to the Model A judging standards that documents what Ford used for valve stems in the various years of Model T production?

09-12-2022, 05:44 AM	#7
Mike Peters Senior Member Join Date: Aug 2012 Location: South East Wisconsin Posts: 1,279	Re: 30/3.5 tires Thanks for the information, Rotorwrench. I first read about Model T tire valve stems in the Model A News in one of Doc Kalinka's last articles several years ago. It was there that he mentioned the 777 valve stems as being original for Model T, and not to be confused with the later 888 stems used on the first Model A's in 1927. As you mentioned, the 888's are shorter than the 777's. In the same article, he also mentioned that the Tire and Rim Association was founded in 1929, and stems made in 29 and later has the Tr markings. That explains why Model A stems made in late 29 and later all had the TR markings with a number stamped on them. I am assuming that the 888TR16 stems were a replacement stem used after 1929? Is there a Model T Judging Standards similar to the Model A judging standards that documents what Ford used for valve stems in the various years of Model T production?