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02-12-2021, 09:08 PM | #21 |
Senior Member
Join Date: Oct 2015
Location: Socal
Posts: 795
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Re: 12 year old Coker tires, still ok?
I'm not in the tire business, but it's well known in the tire service
industry that they can dry rot on the inside..... so the "no damage" you see on the outside ain't necessarily the real situation. |
02-12-2021, 11:25 PM | #22 |
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Join Date: Dec 2015
Location: Marana, AZ.
Posts: 414
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Re: 12 year old Coker tires, still ok?
No tire shop near me will touch a tire over 10 years old. But, I know people that run them.
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02-12-2021, 11:54 PM | #23 |
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Join Date: Feb 2013
Posts: 511
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Re: 12 year old Coker tires, still ok?
This tire debate all started when Firestones were blowing out at speed. Govt did a study on tire deterioration base on the temps around Phoenix Az. Exposure to UV and temps buggered them up after around six years. Now this study was done on radials not bias ply. Up here on the wet coast of Canada the conditions are way more friendly to tires. I have older bias ply tires that I will use but first a thorough inspection inside and out.
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02-13-2021, 08:22 AM | #24 |
Member
Join Date: Dec 2012
Posts: 46
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Re: 12 year old Coker tires, still ok?
Buy Diamond Back Tires...Have run both brands and in my opinion, they are better tires.
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02-13-2021, 09:39 AM | #25 |
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Join Date: Aug 2010
Location: Bay City, Michigan
Posts: 549
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Re: 12 year old Coker tires, still ok?
Just looked at DB tires, they make a very nice looking radial that has the look of bias. No tubes though, assume they will work with my wide five wheels. Thanks to all for the help!
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02-13-2021, 10:35 AM | #26 |
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Join Date: Aug 2018
Location: Sydney Nova Scotia
Posts: 126
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Re: 12 year old Coker tires, still ok?
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02-13-2021, 11:02 AM | #27 |
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Join Date: Jan 2020
Posts: 20
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Re: 12 year old Coker tires, still ok?
I have 13 year old Cooper Cobras on my 57 Chevy right now with zero miles. I bought them thinking the restoration would go quickly and well.... it didn’t. I will use those tires/wheels for 30 miles per hour or less to test the car out in my neighborhood. I will NEVER put the car out on the interstate or highway with them on. I go every year to the TriFive Nationals and the last one in 2019 had a fatality. A gentleman had a 55 Chevy with 10 year old or so tires on, started driving home on the interstate after the show and had a tire blow out due to tire age. Car flipped and killed him. Tire rubber will deteriorate and cause delaminations around the belts. Just put a new set of tires on. My grandfather always said that good tires and brakes were the cheapest life insurance you can buy.
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02-13-2021, 11:10 AM | #28 |
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Join Date: Jun 2013
Location: Reno
Posts: 171
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Re: 12 year old Coker tires, still ok?
Tire can be replaced but life cannot.
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02-13-2021, 11:14 AM | #29 | |
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Join Date: Feb 2020
Location: BC Canada
Posts: 573
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Re: 12 year old Coker tires, still ok?
Quote:
Don't take this as recommending to use old tires. They were replaced once dot was realized and damage was noted.
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02-13-2021, 12:30 PM | #30 |
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Join Date: Sep 2019
Location: Fort Gratiot, Michigan
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Re: 12 year old Coker tires, still ok?
I totally agree with Joe. Wayne
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02-13-2021, 12:41 PM | #31 |
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Join Date: May 2010
Posts: 4,484
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Re: 12 year old Coker tires, still ok?
I'm overly anal but when I was on the road doing 8-10 NSRA events a year I replaced the 235/85R16/10 ply tires on my 36 ft 5th wheel every 2 years. My tire dealer was always glad to see me although he thought I was nuts but in the 17 years on the road I never had a tire failure. Traded trucks every 2 years so never needed tires. On my old cars I replaced 10 year old tires on my 3 window and 12 year old tires on my 40 last year. My cars are in a climate controlled storage environment so they still looked like new. I'd buy new tires.
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02-13-2021, 05:06 PM | #32 |
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Join Date: Jun 2010
Location: Perry OH
Posts: 1,330
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Re: 12 year old Coker tires, still ok?
I'm replacing my 20 year old Coker tires on my 59 corvette and they look fine just a little crazing in the white wall areas. The car sits about eight month a year and only use it around town. I guess it's time. I'm 76 and I guess I won't be getting another set.
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02-13-2021, 05:14 PM | #33 | |
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Join Date: May 2010
Posts: 2,789
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Re: 12 year old Coker tires, still ok?
Quote:
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02-13-2021, 08:10 PM | #34 |
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Join Date: Jan 2011
Location: Central Ohio
Posts: 5,067
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Re: 12 year old Coker tires, still ok?
I have the blackwall Excelsior radial tires on my 32 Cab - really a nice tire and look almost like a bias ply. One thing is for sure, they surely handle better than any bias ply - and that is the main reason I bought them.
They are pricey - no question - but so is a crash, hurting oneself or somebody else . . . tires and brakes and the two places you should never scrimp. |
02-13-2021, 10:39 PM | #35 | |
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Join Date: May 2010
Location: (Not far enough...) Outside of DC
Posts: 3,387
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Re: 12 year old Coker tires, still ok?
Quote:
Now have I done it, yes. I drove my '35 for a year on fourteen year old bias tires. But I was lucky, and silly. Here's a picture of what I settled on for the car when I wanted to be able to take it on a two week road trip. Mounted on my wire wheels without tubes. I'll be honest and say the bill really took my breath away, I mean really. But I feel like I bought some confidence and after the bill was paid... Well I'm still trying to forget it, haha/cringe, but it's done. And the radials are much nicer than the bias tires. Just remember, most fellas are quick to tell you they know the absolute best tires or oil or spark plugs on earth. And everyone else is just plain wrong if they don't see it their way. And I'll close with this: blackwalls.
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02-14-2021, 08:08 AM | #36 |
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Join Date: May 2010
Location: NJ
Posts: 6,180
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Re: 12 year old Coker tires, still ok?
It is surprising how expensive antique tires are; especially bias ply.
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02-14-2021, 08:54 AM | #37 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,317
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Re: 12 year old Coker tires, still ok?
It's the old problem of supply and demand. On an absolute basis (overall tire production), supply is very low. On a relative basis (hobbyist requirements) demand is relatively high. The production problems are greatly complicated by the almost infinite variety of styles and sizes required, requiring smaller runs which always raises unit cost.
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02-14-2021, 09:21 AM | #38 |
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Join Date: Jun 2010
Posts: 413
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Re: 12 year old Coker tires, still ok?
This brings up a very interesting issue and maybe a problem. As a car collector and have a few more cars that I need or drive very often. So its easy to say buy new tire for you car but what if you have a dozen cars? Not trying to be a smart a&$ but with maintenance in keeping you collection ready to go. I have tire 10 years old and yes they are in a heated and cooled interior out of sunlight. What I have discovered is new tires aren’t like old tires. I have 60 year old original tires to the car low miles on a car without any dry rot . I also have 3 year old tire that are shot from dry rot and need new ones. So do you spend 12k every few years on tires is what is being said.?
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02-14-2021, 09:24 AM | #39 |
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Join Date: Sep 2013
Location: Dighton, Mass
Posts: 1,230
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Re: 12 year old Coker tires, still ok?
not being wise, but most are driving these as toys. Try day in and day a class 8 new tires half worn tires and we had all rear tires 8) 11-24.5s one blew off ripped my mirror off the door so there ya go, may have had 200 miles on it at 65 mph lucky didn't hit any one. so you guys buy new tires every year with no miles? I don't get it, Like Michilens get cracks in one year. dealer says thats normal. Oh well. Oh do you all buy a toaster every two months or a vacuum cleaner that I bought 1 Month done...
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02-14-2021, 02:32 PM | #40 | |
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Location: Oregon
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Re: 12 year old Coker tires, still ok?
Quote:
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