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tyre sizes
Moderators: toaddog, TWISTY, V8Patrol, Moderators
tyre sizes
Gday ...just trying to work out what oversive tyres i can use...my tyre placard says H-78 15 or 215SR15...what is the sidewall or profile height as it doesnt tell me on my tyre placard.. Ive got 31x10.5x15 inch tyres at the moment and ive been told the overall diameter is too big...In adelaide on a 4x4 you can go 50mm over what the tyre placard says...are my 31 inch tyres legal???
Re: tyre sizes
Who told you that? I believe the limit is 15mm - it was when I engineered my 4by last year.Rocky8 wrote:In adelaide on a 4x4 you can go 50mm over what the tyre placard says
Re: tyre sizes
15mm is everywhere aitn it-Scott- wrote:Who told you that? I believe the limit is 15mm - it was when I engineered my 4by last year.Rocky8 wrote:In adelaide on a 4x4 you can go 50mm over what the tyre placard says
look at the Replacement/Alternative wheel and tyre regulations by state.. S.A. is that same as tasmania and it says "For offroad or commercial vehicles, the overall diameter of the wheel and tyre combination must be no more than 50mm larger and not more than 26mm smaller than that of any tyre designated by the vehicle manufacturer for that model"
Got a link?
http://www.transport.sa.gov.au/pdfs/per ... etin_3.pdf
On Page 14 of 25:
Vehicle registration requirements are set by state based legislation. An Australian Government website is irrelevant. You need a South Australian government website to tell you what is allowed by South Australian legislation - like this one:Rocky8 wrote:mate u need to check the Australian government website...which is the same for S.A.
http://www.transport.sa.gov.au/pdfs/per ... etin_3.pdf
On Page 14 of 25:
If you're talking about the National Code of Practice it hasn't been adopted by SA, and is unlikely to ever be adopted. I have read a website which claimed it was in force in SA - it was wrong.The overall diameter of a wheel and tyre fitted to a vehicle manufactured on or after 1 January 1973 (ADR 24) must not be more than 15 mm greater than the largest tyre size listed on the tyre placard and not more than 15 mm less than the smallest tyre size listed on the placard. Specifications for overall tyre diameters are listed in the Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia.
That's good advice. Perhaps you should listen to yourself occasionally.Rocky8 wrote:...do some research before u post a comment...
An insight into what comes next.....
Auto vs Manual
About 3/4 down page three is where the good stuff starts.
Auto vs Manual
About 3/4 down page three is where the good stuff starts.
( usual disclaimers )
It seemed like a much better idea when I started it than it does now.
It seemed like a much better idea when I started it than it does now.
-Scott- wrote:Got a link?
Vehicle registration requirements are set by state based legislation. An Australian Government website is irrelevant. You need a South Australian government website to tell you what is allowed by South Australian legislation - like this one:Rocky8 wrote:mate u need to check the Australian government website...which is the same for S.A.
http://www.transport.sa.gov.au/pdfs/per ... etin_3.pdf
On Page 14 of 25:
If you're talking about the National Code of Practice it hasn't been adopted by SA, and is unlikely to ever be adopted. I have read a website which claimed it was in force in SA - it was wrong.The overall diameter of a wheel and tyre fitted to a vehicle manufactured on or after 1 January 1973 (ADR 24) must not be more than 15 mm greater than the largest tyre size listed on the tyre placard and not more than 15 mm less than the smallest tyre size listed on the placard. Specifications for overall tyre diameters are listed in the Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia.
That's good advice. Perhaps you should listen to yourself occasionally.Rocky8 wrote:...do some research before u post a comment...
Thats for cars not 4x4s
http://www.toyo.com.au/TechInfoPDFs/Alt ... ations.pdf
TASMANIA
Current Regulations - Quoted from "National Code of Practice for Light Vehicle
Modifications " (NCOP), Section LS, Part 4.
WHEELS
TYRES
For off-road passenger or commercial vehicles , The overall diameter of the wheel
and tyre combination must be no more than 50mm larger and not more than 26mm
smaller than that of any tyre designated by the vehicle manufacturer for that model.
Where a vehicle has its GVM re-rated, the tyre load capacity must be capable of the
carrying of the revised GVM, both in total and across individual axles.
I didnt see a reference for SA but the specs for TAS are from NCOP as far as I know these are not in place yet
TASMANIA
Current Regulations - Quoted from "National Code of Practice for Light Vehicle
Modifications " (NCOP), Section LS, Part 4.
WHEELS
TYRES
For off-road passenger or commercial vehicles , The overall diameter of the wheel
and tyre combination must be no more than 50mm larger and not more than 26mm
smaller than that of any tyre designated by the vehicle manufacturer for that model.
Where a vehicle has its GVM re-rated, the tyre load capacity must be capable of the
carrying of the revised GVM, both in total and across individual axles.
I didnt see a reference for SA but the specs for TAS are from NCOP as far as I know these are not in place yet
We're arguing over a pdf on a toyo website? 
Look at the date on it - December 9, 2005. Yeah, that's a good source of legal information. 
But you're right - what the hell would I know? I've only had my 4by modifications inspected and approved in 2 states. How many modifications have you had approved. In how many states?
This time last year my 4by had Queensland Registration. It now has SA registration, fully engineered with suspension lift, no rear sway bar, body lift and tyres 3" larger than standard. (Note: that's since your Toyo PDF was published.)
No, I did no research for this.
No, I didn't speak to SA Transport.
No, I didn't have long conversations with engineers about the NCOP, and whether I could go down a size in tyres and save myself some time, effort and money.
You said it yourself, do some research before you post on the internet and make a complete and utter tool of yourself. And I'll give you a hint - just because you read it on the internet, it doesn't mean it's true. Most of it is written by uninformed fools who have absolutely no idea.
Rocky8, your arrogance is only surpassed by your stupidity. I hope you have a big dick, because it would be a cruel quirk of nature for one person to be so unbelievably stupid, AND have a small dick.
Now go away, N00b!
Look at the date on it - December 9, 2005. Yeah, that's a good source of legal information. But you're right - what the hell would I know? I've only had my 4by modifications inspected and approved in 2 states. How many modifications have you had approved. In how many states?
This time last year my 4by had Queensland Registration. It now has SA registration, fully engineered with suspension lift, no rear sway bar, body lift and tyres 3" larger than standard. (Note: that's since your Toyo PDF was published.)
No, I did no research for this.
No, I didn't speak to SA Transport.
No, I didn't have long conversations with engineers about the NCOP, and whether I could go down a size in tyres and save myself some time, effort and money.
You said it yourself, do some research before you post on the internet and make a complete and utter tool of yourself. And I'll give you a hint - just because you read it on the internet, it doesn't mean it's true. Most of it is written by uninformed fools who have absolutely no idea.
If it's so good why did you feel compelled to come here to ask your question? Could it be that OL is the best source of 4x4 technical information in Australia? Obviously not, because we're all wrong, and the guy who came here for help knows more than we do.Rocky8 wrote:...no wonder the 4wd action forum is better....
Rocky8, your arrogance is only surpassed by your stupidity. I hope you have a big dick, because it would be a cruel quirk of nature for one person to be so unbelievably stupid, AND have a small dick.
Now go away, N00b!
they dont change the law every year...if they did this country would be like the morons in the usa .S.A. goes on the same law as Tasmania...if u were right ...no one with a 4x4 would be allowed over size tyres....and you think your link was right...my 4x4 doesnt look like a car or ute...get it right for f**ksake ...u still havent proven me wrong yet...and when u do i will apologise...RESEARCH your answers b4 your post another comment...
Next time read the link u posted then u might find out that u r a dumb c**t...-Scott- wrote:We're arguing over a pdf on a toyo website?
But you're right - what the hell would I know? I've only had my 4by modifications inspected and approved in 2 states. How many modifications have you had approved. In how many states?
This time last year my 4by had Queensland Registration. It now has SA registration, fully engineered with suspension lift, no rear sway bar, body lift and tyres 3" larger than standard. (Note: that's since your Toyo PDF was published.)
No, I did no research for this.
No, I didn't speak to SA Transport.
No, I didn't have long conversations with engineers about the NCOP, and whether I could go down a size in tyres and save myself some time, effort and money.
You said it yourself, do some research before you post on the internet and make a complete and utter tool of yourself. And I'll give you a hint - just because you read it on the internet, it doesn't mean it's true. Most of it is written by uninformed fools who have absolutely no idea.
If it's so good why did you feel compelled to come here to ask your question? Could it be that OL is the best source of 4x4 technical information in Australia? Obviously not, because we're all wrong, and the guy who came here for help knows more than we do.Rocky8 wrote:...no wonder the 4wd action forum is better....
Rocky8, your arrogance is only surpassed by your stupidity. I hope you have a big dick, because it would be a cruel quirk of nature for one person to be so unbelievably stupid, AND have a small dick.
Now go away, N00b!
if u want to meet me and say that to my face then bring it on..otherwise get it f**king right u stupid prick...well they answered it right on the 4wd action website...where they do have brains...sick of all the dumb mother f**kers on here...SCOTT u thickhead...
Do you actually read what I post?Rocky8 wrote:they dont change the law every year...if they did this country would be like the morons in the usa .S.A. goes on the same law as Tasmania...if u were right ...no one with a 4x4 would be allowed over size tyres....and you think your link was right...my 4x4 doesnt look like a car or ute...get it right for f**ksake ...u still havent proven me wrong yet...and when u do i will apologise...RESEARCH your answers b4 your post another comment...
Follow me closely here.
Your "Toyo" document was written in 2005.
Through 2006 and 2007 it was wrong - SA had not adopted the NCOP.
Now, in 2008, it's correct?
No, it doesn't. Tasmania works on Tasmanian legislation, SA works on SA legislation. You think our politicians allow Tasmanians to write legislation for us? The Toyo PDF is wrong. It was wrong when it was published in 2005, and it's wrong now. I know this, because I did my research.Rocky8 wrote:S.A. goes on the same law as Tasmania
Now you're catching on. Most 4x4s running around with over size tyres are illegal. I was illegal in Queensland, because the limit was strictly 15mm, and no negotiations would be entered into.Rocky8 wrote:...if u were right ...no one with a 4x4 would be allowed over size tyres....
In South Australia, there is an engineering process available to allow your vehicle to be assessed with the over size tyres fitted. I know this, because I did it. I have been through the process. It was costly. I did explore all options before I spent the money, and the 50mm limit was not available. I know this, because I tried to use it to argue that my tyres were acceptable, and I was told the 50mm limit does not apply. That was this time last year. Perhaps the people who perform the inspections don't know the legislation? Perhaps they should read Toyo's website?
Believe it or not, this is quite a significant issue in the 4x4 community, and it gets discussed often. (Most of the time it is discussed, incorrect information is posted - you can't believe everything you read on the internet.)
As you have noticed, many 4x4s run larger tyres, and we all understand why. If, some time in the last 12 months, the NCOP had been formally adopted in SA, I believe it would have been big news, and we would find widespread discussion of this on the internet.
I haven't seen it, but perhaps you have - you are, after all, the research king. If so, I would love to see links - to something more substantial than a 2 year old tyre retailer's document.
Until then, others can make their own mind up. Who's correct? Somebody who has jumped through the hoops and has had their over size tyres engineered and approved within the last 12 months, or somebody who has based their argument on a 2 year old document from a tyre retailer's website?
Rocky8 wrote: Next time read the link u posted then u might find out that u r a dumb c**t...
if u want to meet me and say that to my face then bring it on..otherwise get it f**king right u stupid prick...well they answered it right on the 4wd action website...where they do have brains...sick of all the dumb mother f**kers on here...SCOTT u thickhead...
your going to last long on here
my GUBanzy wrote:Dial up internet.........you'd post something and come back 2 beers later to see if it loaded.
HA!!!MightyMouse wrote:A little background on the "discussion"
http://www.outerlimits4x4.com/phpBB2/vi ... p?t=131671
Guess you already have your answer then. I'd like to thank Mr Plod for his assistance.
KRiS
I would like to kow how much research Rocky8 Has done on engineers certificate, He say's in the above tread that it is real hard to get one so........... Why is it that Scott got one ????MightyMouse wrote:A little background on the "discussion"
http://www.outerlimits4x4.com/phpBB2/vi ... p?t=131671
He must not reasearch real hard then.
Yep - can't be too hard if a thickhead like me can get one.Wish I had coils wrote:I would like to kow how much research Rocky8 Has done on engineers certificate, He say's in the above tread that it is real hard to get one so........... Why is it that Scott got one ????MightyMouse wrote:A little background on the "discussion"
http://www.outerlimits4x4.com/phpBB2/vi ... p?t=131671
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