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I've gotten new Vredestein Sprint tires for my 66 SS with original steel wheels. While the tires are "tubeless" Do I still need to put tubes in them for the original steel wheels? Don't want to do it if not necessary, but the old Pirellis had tubes.
 

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I put tires on my SS last year. Vredesteins. Three rims - no problem. Fourth rim had a small leak so I used a tube as it was structurally sound. No real difference in that corner of the car that I can tell.
 

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The rims tell you what to do. The early rimns had insufficient space between the valve hole and the webb of the wheel to allow a tubeless valve to seat properly...in that case a tube is necessary.
 

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The rims tell you what to do. The early rimns had insufficient space between the valve hole and the webb of the wheel to allow a tubeless valve to seat properly...in that case a tube is necessary.
I agree with a caveat.. it is difficult to find the proper stems that will work but I have found a solution if you only have access to the bulky kind. Take a razor blade and shave the base exposed inside the wheel by about 50%. This gives some flexibility to the base of the stem to alow for the conformity and it seats very nicely and around those acute curves. I did this as an experiment 15 years ago and the wheels do hold air without a tube and any leakage. Some of the bigger tire stores will have a variety of stems but it will take some scouring and frustration to find the right kind with a smaller sealing seat that works without modifying it.
 
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