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Tractor Talk Discussion Forum

OT: Tires for Chev c30

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Anthony

02-03-2007 09:39:09




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I picked up a 1973 Chev C30 dual rear wheel that has the tube type 7.50x16 load range D tires on all six wheels.
I am thinking of getting new tires. Should I look for used tubeless rims and go that way or should I stay with the tube type? Are they even still available?
If I look for used rims does anyone know what later year(s) rims would fit?




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massey333

02-03-2007 13:32:04




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 Re: OT: Tires for Chev c30 in reply to Anthony, 02-03-2007 09:39:09  
IF you still have a split ring wheel then you are stuck with a tube tire,however if yours are a one piece rim,the you can buy 7.50-16 tubeless tires in 8-10-14-16 Ply that will work on your wheels.Or the newer 215-85-16 or 235-85-16 tires.



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old

02-03-2007 11:38:19




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 Re: OT: Tires for Chev c30 in reply to Anthony, 02-03-2007 09:39:09  
Depends on how much you plan to use it. If your going to drive it once a week or more tubeless is the way to go. But if you plan to drive it say 10 times a year then tube type are the way to go because tubeless tires go flat if not used a lot and can be a pain to get aired back up



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woodache

02-03-2007 12:00:58




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 Thats just Boloney!! Re: OT: Tires for Chev c30 in reply to old, 02-03-2007 11:38:19  
If you put dirty tire beads on rusty or dirty rims or have a patched tire, yes the tubeless will leak. I make sure the rims are rust free and the beads are clean, My truck set for 3 years unused and only one tire went flat, that one had been punchered with a broken engine valve stem at the junk yard! And had a BIG patch inside!



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old

02-03-2007 12:16:13




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 Re: Thats just Boloney!! Re: OT: Tires for Chev c in reply to woodache, 02-03-2007 12:00:58  
Not saying your right or wrong on this but say out of 50 tubeless tires on rims you have a better chance that 75% or more will go flat just from sitting. Its just a fact of life and how tires are. Did tire repair for a liveing at one time and saw lots of tire repairs that where just from rim leaks and even a brand new rim can/does leak over a long peroid of time



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massey333

02-03-2007 13:20:21




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 Re: Thats just Boloney!! Re: OT: Tires for Chev c in reply to old, 02-03-2007 12:16:13  
Old,you sound like the tire man of ol,who won't sell tubeless tires.ONLY my opinion but I haven't bought a tube tire since 1966(except tractor tires with fluid)and am now running 130++ tubeless tires(tractors,Wagons,Trucks,Trailers,combines)some of which set 6 months to a year and haven't had a flat yet.Even my grandsons pulling tractor which has Tube tires mounted Tubeless and sets over winter and loses maybe 5 pound or so.We don't have a AG.Tire dealer within 50Mile anymore and have to do our own tire work.Not trying tobe Mean but the tubeless stories are just OLD WIFE TALES.

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dan hill

02-05-2007 07:54:14




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 Re: Thats just Boloney!! Re: OT: Tires for Chev c in reply to massey333, 02-03-2007 13:20:21  
My wheel barrow, boat trailer and generator cart all have had tubes put in them.Always flat when you need them.Robbed a tube out of an old spare wheel barrow tire that held its air for 40 years.Boat trailer tubeless always flat over winter.I keep a few 4.00X 8 tubes in the shop for sale.People get wild trying to pump up tubless tires on trailers.



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old

02-03-2007 13:50:43




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 Re: Thats just Boloney!! Re: OT: Tires for Chev c in reply to massey333, 02-03-2007 13:20:21  
Well I wish it was true. I have one tire on one of my cars that leaks about 20 psi over a month or so and it has VERY GOOD rims on it you have just been lucky. My self I prefer tubeless tires but they do leak, unless your talking about the ones that are high preassure ones



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woodache

02-03-2007 13:40:43




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 Here Here Bravo!Re: Thats just Boloney!! Re: OT: in reply to massey333, 02-03-2007 13:20:21  
Here Here Bravo!!



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woodache

02-03-2007 10:28:33




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 Tubeless tires!!! Re: OT: Tires for Chev c30 in reply to Anthony, 02-03-2007 09:39:09  
Tubeless tires!!! are the only way to go..... If you travel with it at all, you need to get the tubeless drop center rims. Many tire shops wont even put air in those old split rims, on the road this could be a BIG problem. Not to say the least in finding tube type tires, there are tube type radials available but expensive but not easy to get! The wheels that will fit are from GMC/CHEV from 74 duallies (last splits were 73) up till now, the 16.5 dually 1T van wheels also fit. Ford and Dodge will not fit over the chev brakes. You can spot them because the wheel is cone shaped instead of rounded dish shape like the Chev wheels. I don't like the 16.5 because tires are a little more cost and less likely to be in stock. Use LT load range E tires. Should be 235/70s or 75s. Do not try to put larger tire than that they will not work on the duals they will rub. I have had the same 78 C30 with dirt box dump with a 16000 GVW door tag rating for 20 years now. The last set of tires Toyos 11ply rating have been on it since 1990. I have hauled some very heavy loads pulling a trailer with this truck to.

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Anthony

02-03-2007 11:38:00




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 Re: Tubeless tires!!! Re: OT: Tires for Chev c30 in reply to woodache, 02-03-2007 10:28:33  
Thanks for the information. I was thinking of using 85 series, either 215 or 225.
What I'm not sure about are the rims. You say any rim up to current will fit, but I don't think all the studs are the same. My 73 has a plate that goes on behind the eight lug-nuts; is your 76 like that?
On some later trucks I've seen swivel type nuts without the plate, so the rims might be different and the lugs seem to be different sizes like 7/16, 1/2 and 9/16".

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woodache

02-03-2007 11:52:02




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 Re: Tubeless tires!!! Re: OT: Tires for Chev c30 in reply to Anthony, 02-03-2007 11:38:00  
Of coarse check what they come off of, My 78 uses the acessory plate I would say anything that has the correct size bolt hole will work. Just make sure they are GM wheels. The smaller tires will work but if you are buying new get the 235 17 years on the same set for me just cant be all that bad. Used to haul a full load metal from my machine shop 2 times a week!



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anthony

02-03-2007 12:24:36




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 Re: Tubeless tires!!! Re: OT: Tires for Chev c30 in reply to woodache, 02-03-2007 11:52:02  
Do the 235's come close to rubbing against each other on your truck, especiallly when loaded?

I think the thing is if I go with 85 series they don't have to quite as wide to have the same load capacity as 75 series and will be less likely to rub; the tire will be skinnier but taller and might wear a little better. But it sounds like you've done well with yours.

The problem with the studs and nuts could be that some of them use a tapered cone nut and some used flat nuts. I'll keep looking and checking. I don't know what they're gonna ask for junk-yard rims, I know brand new is probably close to $100 each; so the cost factor is one appeal of staying with the old rims, which are in very good shape.

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woodache

02-03-2007 13:32:41




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 235s great tires Re: Tubeless tires!!! Re: OT: Ti in reply to anthony, 02-03-2007 12:24:36  
235s They dont even come close to rubbing even with 4.5 tons of dirt on. at 80psi. 85s may rub the bottom of the box when max loaded going around corners. With the stock overload springs. My truck is heavy 7200 lbs empty. 4 yd box on it. I put OL springs from a 86 with the bent over ends on mine. They help stop the corner roll. These tires also give me MAX braking traction. My tires are medium traction tread needed for dirt hauling. My plates have the dimples in them for the acorn shaped nuts. I just bought 6 16" off of a 74, wheels from Craigslist ad for a $100 bucks for all, with 3 great tires 235 LrE including 4 plates and 16 extra nuts. Just to have extras, out here those wheels (plain steel) are all over the place as guys are putting chromes or specials on. The junk yards get about 16s $35 ea 16.5 about $25 ea most of them will sell sets of 6 or seven for less. The junk yards are swimming in them. The splits ALL go to the scrap metal junk yards never sell them. Try Craigslist in your area.

PS If you EVER need to patch a tire DO NOT let anyone put a plug in it period! Patch the inside and always install NEW HD valve stem for trucks.

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IaGary

02-03-2007 10:03:52




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 Re: OT: Tires for Chev c30 in reply to Anthony, 02-03-2007 09:39:09  
I would stay with the tube type if it were me.

On a truck that sits a lot its hard to keep the beads sealed on tubeless tires for me.

If those are the split rims make sure the proper precautions are used to mount the new tires.

Gary



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The Preacher

02-03-2007 20:19:40




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 Re: OT: Tires for Chev c30 in reply to IaGary, 02-03-2007 10:03:52  
Be careful, some states have outlawed 2 or 3 piece rims. Here in Va, they will fail state inspection if you have new tires on split rims. When the old tires wear out, you have to upgrade the rims.



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