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Unread 11-30-2013, 09:30 PM   #1
tymbom
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Inner tubes?

I have a 37 that has a cut in the sidewall. A local tire store tried to patch it for me, but it won't hold air. I've found a tube that will fit. What are the negatives to running a tube? Why can't I run 4 instead of bead locks? Any ideas? The only thing I can think of is pinching the tube at low pressures. I would like to be able to air down to run on the snow, so maybe 1-5 psi. I appreciate any ideas or comments

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Jonathan Baty 1954 M38a1 with 400sbc, T18, Dana 20, Dana 30, Dana 44 and 37in Coopers. 1986 M1008 w/37in Toyos and stuff
1984 M1008 parts truck, 1983 Chevy Crew Cab, 1973 Ferd Bronco, 2004 Cadillac CTS-V, 1948 CJ-2a sorta
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Unread 12-01-2013, 09:01 PM   #2
PaXJ
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Any cut in the sidewall is a big problem waiting to happen. I would never recommend installing a tube to compensate for a cut sidewall that will not hold air. Once the sidewall is breached, the integrety of the tire is gone.
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Unread 12-01-2013, 09:25 PM   #3
tymbom
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I understand what you're saying, but the cut doesn't go all the way through. Its just the a small hole in one end. The guy at the tire shop put a patch on both sides, but the inner patch leaks. Then the outer patch swelled up and started to leak. It takes a couple days to leak down. I'll probably just have to try it and see.
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Jonathan Baty 1954 M38a1 with 400sbc, T18, Dana 20, Dana 30, Dana 44 and 37in Coopers. 1986 M1008 w/37in Toyos and stuff
1984 M1008 parts truck, 1983 Chevy Crew Cab, 1973 Ferd Bronco, 2004 Cadillac CTS-V, 1948 CJ-2a sorta
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Unread 12-01-2013, 11:14 PM   #4
wilson1010
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There are a lot more dangerous things to do than to repair a sidewall of a tire, tire industry propaganda notwithstanding.

I doubt that tubes will solve the problem. But, a string plug repair with an inner patch as opposed to surface patches only seems unlikely to fail if it has been properly done.

Post up a photo of the hole and let's have a look.
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Unread 12-02-2013, 07:52 AM   #5
tymbom
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I would but all I could show is two patches... I'm gonna look into vulcanizing. There is a truck tire shop in town.
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Jonathan Baty 1954 M38a1 with 400sbc, T18, Dana 20, Dana 30, Dana 44 and 37in Coopers. 1986 M1008 w/37in Toyos and stuff
1984 M1008 parts truck, 1983 Chevy Crew Cab, 1973 Ferd Bronco, 2004 Cadillac CTS-V, 1948 CJ-2a sorta
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Unread 12-02-2013, 08:23 AM   #6
hustler905
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I think if you ran really low pressure with no beadlocks and a tube the concern would then be the tire spinning on the rim and tearing the valve stem off the tube.
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Unread 12-02-2013, 08:56 AM   #7
wilson1010
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Quote:
Originally Posted by tymbom View Post
I would but all I could show is two patches... I'm gonna look into vulcanizing. There is a truck tire shop in town.
Truck tire shop won't mess with it.

Well, long cuts and tears are pretty hopeless. But even a big hole can usually be patched with a rubber impregnated string plug and a patch on the inside. I can't imagine a patch on the outside and it tells me that the repair was done by someone who did not know what they are doing.

Unless you have a long cut, remove the tire from the rim, take out what was done, clean it all up with a scarifier, clean it with alcohol, put in as many impregnated string strands as are required to fill the hole, cut them off with a single edged razor blade flush on the inside and apply the patch with adhesive. Trim the outside to below the tread depth. Let it thoroughly dry out (couple days) before remounting the tire.
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Unread 12-02-2013, 03:39 PM   #8
tymbom
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I'm gonna try a couple different ideas. Maybe something will work. I hate to have a perfectly good tire wasted.
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Jonathan Baty 1954 M38a1 with 400sbc, T18, Dana 20, Dana 30, Dana 44 and 37in Coopers. 1986 M1008 w/37in Toyos and stuff
1984 M1008 parts truck, 1983 Chevy Crew Cab, 1973 Ferd Bronco, 2004 Cadillac CTS-V, 1948 CJ-2a sorta
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