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 Topic author
 Steve Jelf
- Posts: 7359
- Joined: Fri Jan 04, 2019 9:37 pm
- First Name: Steve
- Last Name: Jelf
- * REQUIRED* Type and Year of Model Ts owned: 1923 touring and a few projects
- Location: Parkerfield, Kansas
- Board Member Since: 2007
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								by Steve Jelf » Sat Sep 04, 2021 5:42 pm
			
			
			
			
			
...making them difficult to use.
No. As usually sold, they are impossible to use. Why? Because they are sold with a modern chuck on them, not a Model T era chuck. How can a pump without a check valve possibly work? By relying on the valve in the tube stem to perform that function.  A modern chuck has a center post that holds that valve open, rendering it inoperative. Install an old style chuck without a center post on your pump, and it works just as well as it did a hundred years ago.
http://dauntlessgeezer.com/DG115.html 
			
			
									
									The inevitable often happens.
1915 Runabout
1923 Touring