Erndog Posted November 16, 2020 Share Posted November 16, 2020 I need to change out some inner tubes on my Model 30-61 and am having some issues. The car uses 19" Artillery Wheels. Some of the existing tubes have 90' stems, which is very helpful, and some are straight. I bought an appropriate tube from Coker with a bent brass stem. I discovered that the stem could not navigate the opening in the rim, due to bending at the 3/8" point, whereas the hole is 3/4" deep. The only alternative tube seems to be a 3 1/2" straight stem, which I fear may be a little too long. Does anyone have experience with changing out these tubes? What do you recommend I look for? I took a closer look at the bent stems on my wheels and it appears that they were modified by brazing a bent stem onto a straight stem. Creative, but I'm not interested in that. Link to comment Share on other sites More sharing options...
Mark Shaw Posted November 16, 2020 Share Posted November 16, 2020 You can use a rubber stemmed tube to solve your problem. Link to comment Share on other sites More sharing options...
Erndog Posted November 17, 2020 Author Share Posted November 17, 2020 Thanks, Mark! You don't think 3 5/8" stem on a Coker tube would be too long? Link to comment Share on other sites More sharing options...
Mark Shaw Posted November 17, 2020 Share Posted November 17, 2020 The 3 5/8" stem will still fit nicely between the wood spokes... Link to comment Share on other sites More sharing options...
Morgan Wright Posted November 17, 2020 Share Posted November 17, 2020 Too short and it won't fit through the wood felloe. The brass Coker ones (Hartford tubes?) are great. I have the original dust caps (very long) from my old tubes, and they screw right on that long stem. Link to comment Share on other sites More sharing options...
Bill - 29 Buick Posted November 18, 2020 Share Posted November 18, 2020 Ernie: I have 20" Disc wheels on my 29 Roadster and use Universal's tubes with a bent stem. They are: U86600 F19/20 600/700-19/20 TR-150 RS TUBE Somewhere, I have a spare tube and can measure the bend for you, if needed. Bill McLaughlin Link to comment Share on other sites More sharing options...
Mark Shaw Posted November 18, 2020 Share Posted November 18, 2020 22 hours ago, Morgan Wright said: won't fit through the wood felloe Morgan, A 1930 Buick does not have a wood felloe. 1 Link to comment Share on other sites More sharing options...
Erndog Posted November 20, 2020 Author Share Posted November 20, 2020 Thanks, Bill. I just put that tube you mentioned in one of my tires and it seems to work, although the end of the stem is right up at the wood spokes. Not bent. Doable, but not ideal. I figure it will be another 20 years before I really need to worry about it at the rate I am going with my restoration. That will put me at 86, so questionable. For now, it is just to roll it in and out of my garage. Link to comment Share on other sites More sharing options...
Bill - 29 Buick Posted December 27, 2020 Share Posted December 27, 2020 Ernie: Found a picture of my bent stem. Bill McLaughlin Link to comment Share on other sites More sharing options...
Erndog Posted January 10, 2021 Author Share Posted January 10, 2021 Bill, was that bought like that or custom made? Link to comment Share on other sites More sharing options...
Bill - 29 Buick Posted January 10, 2021 Share Posted January 10, 2021 Ernie: They were bought like that; Universal's tubes with a bent stem. U86600 F19/20 600/700-19/20 TR-150 RS TUBE. Bill McL 1 Link to comment Share on other sites More sharing options...
Erndog Posted January 25, 2021 Author Share Posted January 25, 2021 Bill, I have been looking at Universal's site and I see nothing like that. The only bent stem they seem to offer is the TR-440 unit, which is way too shallow to make it through the rim. Either they stopped making these things or it was custom made. By the way, the tube you mentioned in the previous post is a straight rubber stem. Ernie Link to comment Share on other sites More sharing options...
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