Tyres - Would you use them?
Submitted: Monday, Feb 05, 2007 at 12:29
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Old Nick
Sitting in my shed yesterday morning, 3 mates (2 of us truckies, 1 a shearer) doing the usual Sunday morning ritual testing cans of Carlton. Just about done the 2nd box and an electrician who works with my wife lobs out to do a small job in the house for us. Just as he came in the shed I was saying that on Wednesday I am getting 2 new tyres on the front of my 80 series L/C and are going to use the underneath spare and the one on the Kaymar (has a cover on it) on the rear. The original Grand
Treks are still on it, a 1997 multivalve turbo diesel. They have done 72500 kms but never been offroad.
Any how the electrician (Pom) says they will be no good, will be perished internally
and will blow to pieces first long hot run. OK his thoughts.
Truckie mate and myself reckon they will wear A1 because they will have cured out of the sun .
Shearer mate said, " I'm used to driving on shearers chains "(tyres with the wire hanging out!) and his old 60 series work bus would blow up with decent tyres on it.
Is the electrician right, because if you reckon he is the 2 new spares on it now can
stay as spares. Look forward to your thoughts,
Nick.
Reply By: Member - Boo Boo (NSW) - Monday, Feb 05, 2007 at 12:47
Monday, Feb 05, 2007 at 12:47
Nick,
I have been told by a few knowledgeable people that if a tyre is more then five years old then there is a good chance that it is past its use by date.
Years ago it seemed that tyres 'cured' with age, but not any more.
They have an expiry date and after five years they tend to de-laminate and fail.
If your tires are over 5 yrs old, (appear to be from what you say), thenI would not be using them on a car or heavy trailer.
Regards Boo Boo
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Follow Up By: Member - Roachie (SA) - Monday, Feb 05, 2007 at 13:00
Monday, Feb 05, 2007 at 13:00
Yep, tend to agree.
Check with Brew69....what happened to his on the GQ (had also been covered on the back door it's whole life). Brand new tyre (about 10 years old though). He put it on the back of his GQ and cost him a small fortune to fix it all up after "new" tyre blewout, taking the mudguard/flap and some body work with it. IMHO it's not worth the risk.
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Reply By: Wayne (NSW) - Monday, Feb 05, 2007 at 13:25
Monday, Feb 05, 2007 at 13:25
Nick,
"Is the electrician right, because if you reckon he is the 2 new spares on it now can
stay as spares. Look forward to your thoughts,"
Right or wrong, a spare is not a spare if it can not be used, it is only taking up the space of a tyre that can be used safely
If you won't put them on now and drive the vehicle what are you going to do when you do get a blow out. Use a tyre that might not be safe?
Wayne
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219874
Follow Up By: Des Lexic - Monday, Feb 05, 2007 at 14:51
Monday, Feb 05, 2007 at 14:51
I would have said the same thing if Wayne hadn't beaten me to it.
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Reply By: Member - Barry M (NSW) - Monday, Feb 05, 2007 at 15:30
Monday, Feb 05, 2007 at 15:30
I am still using a set of splits bought new on a 88 hilux,replaced by widies. Only put
them on over summer when sprayrig becomes fire truck & I cant wear them out.
Too hard perhaps. Private tipper drivers on the local council would buy a new set &
put in wool packs& store as they fitted current newies. They reckoned it doubled the subsequent wear, but I believe tyres are made different now. Those old Road
Grippers dont see any speed but do it tough on firegrounds. I think they may outlast me. On the other hand if I drive 2 hrs on tyres that have seen hard duty
on sprayrig they blow one after the other, heat from many impact damages I
suspect.....oldbaz.
AnswerID:
219912
Follow Up By: CLC50 - Monday, Feb 05, 2007 at 16:06
Monday, Feb 05, 2007 at 16:06
Hi All
Just a bit of history.
I remember back in 1958-59.Frank Gardier the ex Racing car Driver.
Test 4 new tubeless Ties on him C type green Jaguar on the Mona Vale
Hill Climb,
Sydney , Rolled them of the rims the first corner .
Gee we all agreed they where no good & they would never work . I am not sure the Make but I think there where Goodyear.
Where we all wrong
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Reply By: Member - Pesty (SA) - Monday, Feb 05, 2007 at 17:17
Monday, Feb 05, 2007 at 17:17
Put them on for around town, but would not go on many gravel roads or not at all bush with them.
They are 10 years old and if they havent been on the road and flexed regularly then they will not last too long.
Mate put 2 new ones on with 2 nearly new, that had been spares, one stored in shed and one on the back covered over, for about 4 years, and drove from
Adelaide to Kunanurra, and they both died within a day of each other.
He now rotates all 6 around so they get a run.
Cheers Pesty
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Reply By: Sand Man (SA) - Monday, Feb 05, 2007 at 18:53
Monday, Feb 05, 2007 at 18:53
Nick,
If the tyres are all a similar age they would be OK.
One problem is when a spare is not rotated along with the rest of the tyres, it doesn't get any "work".
Most Driver's Manuals will show a diagram on rotating all 5 tyres (and 6 should be little different).
AnswerID:
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Reply By: Member - Charlie M (SA) - Monday, Feb 05, 2007 at 19:23
Monday, Feb 05, 2007 at 19:23
Ultra violet light is the one that causes the problems. May be ok on light duty work, would probably give trouble on long runs hi temp days, loads or speed.
cheers
Charlie
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219976
Reply By: Geoff (Newcastle, NSW) - Monday, Feb 05, 2007 at 21:02
Monday, Feb 05, 2007 at 21:02
Hi Nick,
There could be something in what the Pom says.
A couple of months ago a mate was telling us about a trip he and another mate had done from
Newcastle to
Cobar and back in an older HiLux.
The guy who owns it doesn't do many
miles in it, he has what he calls his town car.
They blew three of the factory fitted six year old tyres on the trip. The theory was that the sunlight had got to them over the years, hardening them.
Once they where loaded and asked to flex at highway speeds they had nothing left to give, got hot and failed.
Geoff
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Reply By: growler - Monday, Feb 05, 2007 at 21:27
Monday, Feb 05, 2007 at 21:27
Thought a truck driver would know better?
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Follow Up By: Old Nick - Monday, Feb 05, 2007 at 21:50
Monday, Feb 05, 2007 at 21:50
Growler,
Thats a bit of a silly answer. As you know doing a lot of
miles in a truck, your tyres wear normally as they would on the cruiser if the oil was kept hot.
I can't drive 2 vehicles at once and the truck oil has to be kept hot for a bloke to live. The Landcruiser sits
home, thats the reason the tyres have aged.
Thanks everyone for your sensible answers. I hate to say it but you are telling me sometimes Pommies are right !!
Thanks-advise will be heeded.
Regards Nick
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Follow Up By: growler - Wednesday, Feb 07, 2007 at 15:49
Wednesday, Feb 07, 2007 at 15:49
Silly answer ? the older we get , the stiffer we are.We dont flex the way we used to
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Reply By: Old Nick - Monday, Feb 05, 2007 at 22:01
Monday, Feb 05, 2007 at 22:01
Just thought of something, If the age of the tyres are going to affect the durability,
why haven't the 10 year old original tyres I am running on now blown to pieces?
Had to tow a tandem car trailer back from
Adelaide the other day in 38 plus degrees for 470 kms with a HQ holden ute on, tyres no problems.
Please help me answer that one in relation to the 10 yr. old spares!!
Just a thought Nick
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Reply By: Geoff (Newcastle, NSW) - Monday, Feb 05, 2007 at 22:11
Monday, Feb 05, 2007 at 22:11
Hi Nick,
If the Pom gives you grief just show him this,
Geoff
| Geoff,
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Grey hair is hereditary, you get it from children. Baldness is caused by watching the Wallabies.
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Follow Up By: Old Nick - Monday, Feb 05, 2007 at 22:42
Monday, Feb 05, 2007 at 22:42
Not giving me any grief Geoff, Ithink he was trying to give a bit of advice.
Will get the Mrs. to forward on Pontings paint!!
But the more I think about what everyone has said, ie 5 yrs tyre life etc, Why haven't the 10 year old tyres , that have been there since new all blew to bits 5 yrs. ago, and they have been in all elements. Think about it !!
Regards Nick
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Follow Up By: Geoff (Newcastle, NSW) - Monday, Feb 05, 2007 at 22:57
Monday, Feb 05, 2007 at 22:57
Hi Nick,
Well, yes, you've made a great point here and
well, I admire your point.
I am thinking about it mate, no idea on this tyre subject now you point out your experience.
Geoff
| Geoff,
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Grey hair is hereditary, you get it from children. Baldness is caused by watching the Wallabies.
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Reply By: Member - Barry (NT) - Tuesday, Feb 06, 2007 at 00:14
Tuesday, Feb 06, 2007 at 00:14
Nick I used Yokohama Super Diggers for years in the NT but had persistant problems with them going out of round at about 30-50% tread left.
ONE WENT OUT OF ROUND AS THE SPARE yep believe it. Suspect heat and UV as the problem. Have Bridgestone on as spare now and other spares in the shed - in the dark.
I've previously know tyre similar to your last for ages and like wise disintegate quickly. Risk is what will they do??? Are they still very flexible in side walls etc or going hard. Suggest take em off rim and
check also - you will see if they have retained there flexibility.
Practical advice I hope.
Cheers Barry
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