legal tyre size calculator nsw

This is where things get a little interesting just because you are running a lift kit and bigger tyres does not necessarily mean your vehicle is unsafe, providing the work has been done correctly with quality components. You must log in or register to reply here. What sets us apart is our tyre suggestion guide. First step is to find a quality engineer, although it sounds like youve already been trying that. The final figure you need to know is the overall rolling diameter. ,V? U? Tyre Condition. If your tyres are worn to the tread wear indicators (TWI) - 1.6mm or below - they must be replaced. Does this law apply in vic as i see lots of 4wds over the size limit for lifts and tyres. for the Aus Navara is a 255/70 . There are a heap of grey areas when it comes to 4WD insurance, and youve highlighted one of them! You are also not allowed to fit tyres that are more than 50mm bigger than the factory tyre diameter. hok0\d$(2[H6JjpL^Kf 9HLe x@j((B(G}#@)@n@!46 )) HEP cY Take a 20c coin and check out the swimming platypus because he will do the checking for you. Tire Size Calculator is an app that gives you concise info and intuitive interactive ways to help you: 1. Its a total joke, and is causing a lot of dramas. Aspect Ratio: The height of your tyre from the base of the tread to the rim, as a percentage of the tread width. Driving frequently with excess weight Youve brought up a very interesting question. If you search, youll find that the term DPF is not mentioned anywhere in this article, so not sure what you are complaining about. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. The X-trail T31 2007 44 is rated MC. call us on 1300 367 897 or search by vehicle registration below. You will find that theres no benefit going too wide though, and it will increase the chance of it scrubbing. The thumb rule to calculate sidewall height says that for every 10mm increase in width of tyre, the sidewall height (or aspect ratio) should be reduced by 5%. Let me know what you reckon below! My intention is merely to make those with 4WDs aware of what you can and cant do, and how those decisions can affect you in terms of your insurance, the way the police deal with you and what modifications can do to a 4WD. For example, a 205/55 R16 tyre has the same diameter (631.8mm, radius of 315.9mm) as a skinny 125/80/R17 space saver. Here's a guideline to what's legal in the major states of Australia. You may also need to consider a wheel alignment service. Overall wheel rim width cant exceed 177.8mm (seven inches) unless specified by the manufacturer, and cars that are equipped with 177.8mm rims cant have higher width rims fitted at all. 205/60R16. And I just have the third party insurance, My car is not covered by the policy. Chris. Ford Ranger Raptor ready to rip in for NSW police! Where are you located? In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturers specified wheels without needing to notify the Roads and Traffic Authority (RTA). 4, issued 1 March 1994 Page 1 of 7. The sidewall heights are:- 265mm. The thing is it came stock with alloy wheels and 225/60/R18 road tyres. The only way this does not apply is if it has been signed off by an engineer. Legal Disclaimer Tire Pressure Calculator Limitations. Many also refer to the National Code of Practice and VSB 14, but there are also some state regulations that can differ. A very useful tyre calculator when searching for tyres that are a different size than stock. 13 inches - 5 tyres. If the tyres you are running are bigger than 50mm than the number stated, you have a problem. Luckily for us most of these very strict laws do not apply here in the nt, where we can go 100mm overall lift. More importantly, they all have fine print which specifically states that your 4WD must comply with the road regulations, and if it doesnt, refusal of claims can occur. Ive just bought a set of used tires(205/60/16). This is why knowing how to measure your tyre tread is so important. This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. Im looking at lifting my Hilux and was just wondering if the roof height included any roof attachments, i.e awning, roof rack, gas bottle holder etc or i s it worked from the manufacturers standard roof height from their vehicle specifications? Misaligned wheels Tires calculator. While Changing your Wheel and Tyre Size, Focus on Overall Diameter to ensure. Do I need engineering approval? Every tyre has its purpose. I'm in NSW the anal state . Section width x 75% (the aspect ratio) x (two sidewalls): 265 x 75% = 198.75. 185R14. And hopefully stop people starting all the posts about how big there tyres are. Suggest you use the right terminology. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. Multiply a tyre's width by the aspect ratio to get aspect height (205 x 0.55 = 112.75) Convert into inches (112.75 / 25.4 = 4.44) Double the aspect height (4.44 x 2 = 8.88) Add inside diameter of tyre (8.88 + 16 = 24.88) When changing tyre size, the tyres should not have more than a 1% difference in diameter - less than 0.5% would be ideal. the tire and wheel has to be adequate for your car. Our tool gives this in percentages: a positive number is larger/wider, while a minus number represents a negative change. The entire point of having vehicle standards is to ensure that people drive safe vehicles on the road. If you have any questions about tyre sizes, please give us a call on 02 8880 4628 or you may find this online tool helpful. In this article, we'll discuss your tyre tread depth: what it is, its importance, and how to ensure your tread depth is still considered street legal. It is 15.2mm larger than that of 225/40/18(637.2mm). Email Us. In reality then, you are limited to: 1 inch lift and 2 inch bigger diameter tyres (together) 2 inch lift and the same size tyres. Plus Sizing your tyres can be also referred to as stepping up. So for someone like me even 31 (stock) tires are over the limit because I have flat fender flares installed. Discover our interest free finance options. Find out about the rules, regulations and standards for constructing or modifying a vehicle in Western Australia, including modifications to heavy vehicles and vehicles for people with special needs. The formulas will also show you the matching ExplorOz Wheel covers that match your tyres. Check out our guide for answers to all your questions. The listed diameters are from calculations based on the tire size. This is the maximum legal lift kit height in WA as long as you run the factory size tyre. Simply pay in instalments. 14 inches - 10 tyres. Cop threatened me with sending the 80 for a blue slip inspection. Common mistake, but it works in our favour. Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. tire size or rims Choose a tab below to get fitment data for your vehicle or to find vehicles matching your criteria. 7.00-16. High-performance 4x4 ute a candidate for on- and off-road police duty. So, be careful. New Size. This 50mm is the total combination of body lifts, suspension lifts and bigger tyres. We would like to hear: Get weekly updates with the latest car news and reviews. For starters, lets consider what is legal, and then you will know where you stand right now. Expand. To find alternative tyres, simply click on each size to see what Tyroola has available. But thats illegal. Look at your existing tyres and enter their size into the calculator. Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. while keeping an overall diameter and a circumference of the new tyre approximately the same as they If so where can find this information? I think the tyre size thingy applies to the biggest tyres fitted to the model. represents the ratio of the difference between OT and OE tyre diameter and the difference between I doubt you will get a vehicle with such a big lift engineered in WA, but you could try. I have Fitted king lifting springs and raised 30mmAnd now looking at Tyre options. 4WD owners across Australia use a variety of different 4WD insurance companies to make sure their pride and joy is covered should the unthinkable happen to it. 155/80R13. please pay special attention to the following: wheel size, i.e. 2. The tyre plus sizing or the tyre upsizing is the procedure Tyre Calculator. Any accidents caused by illegal tyres may not be covered by your insurance company. Its hard to get this sort of information from insurance companies too, but perhaps it would be worth a go. Rim diameters cant exceed those specified by the manufacturer, although plus one and plus two wheels and tyres are allowed so long as the overall diameter of the large rims and fitted low profile tyres dont exceed the manufacturers diameter specification. Developed in association with the NSW Vehicle Standards Working Group . It is also dangerous to drive because: Your tyre will lose grip and traction. The calculator lists optional/alternate tyre sizes, based on the entered OE tyre size, where the overall tyre diameter Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. It also specifies the distance between the bottom of the guard and the centre of the wheel. I will probably go 225/65 r17 as the 235 Tyre takes me 1mm over the max 75mm in Victoria. Your personal driving style For more tyreand wheel information check this Vicroads PDF. We'll come to you - at home, work or even while you shop, A beginner's guide to the basics of tyres, Learn about all replacement indicators and how to maximise the lifespan of your tyres, Learn about the maximum load a tyre can carry, The tyre pressure needs to be checked regularly. There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. If the 4wd has 35s and its engineered for 35s. The condition of your tyres is imperative for the overall performance and safety of your vehicle. Our specialised tyre experts are here for all of your tyre puncture needs. The moral of the story here is that if your aftermarket fuel tank is a different capacity or mounted differently, ensure it comes from a reputable source that has already done the certification hard work for you. Search hundreds of tire sizes to find the right tire size for your application. Im struggling to find an engineer that is sympathetic to my needs, and I have several mods that need engineering. Disclaimer:Tyre interchangeability is not always possible, so be sure to Acceptable for most cars. Find the series of numbers on the sidewall. Our handy Tyre Calculator lets you see all the acceptable tyre sizes that exist . Example: The height of this tyre is 65% of . . So, if I were to put e.g steel rims from a lower-spec model, with 225/70/R16 tyres on, am I breaking the law, or voiding insurance? Taking into consideration looks and performance (reduced power, speedo, fuel economy) which size would you recommend? the 285/75R16 is a legal tyre . Heres the list of engineers, or try On Track Fabrication: http://www.transport.wa.gov.au/mediaFiles/licensing/LBU_VS_IB_102.pdf, Getting sick of seeing 44 lifted and tyres sticking out past guards . width affects the tyre choice also, besides its diameter. PDF. smaller sidewall height(lower series, aspect ratio) than it's on the An assembly consisted of In my case. Cop at an rbt chatted me about the 285/75r16 tyres that have been on the 80's wheels for the last 7 yrs. Upsizing or fitting taller / larger tyres will reflect a slower speedometer reading than your actual speed. My tyre placard lists three sizes: 205/55/16, 225/45/17, 225/40/18. A lot of people know their 4WDs are illegal, and dont seem to care. Not only does tyre pressure change the measured diamter, but so does tyre speed. If you have an accident with illegal mods, you could be in trouble. Wider tyre may require wider rim; road regulations may say permitted rim width is +/- 25mm from . When using a tyre size comparison tool, it's important to know the difference in the outer diameter. In the last two years more than 160,000 calculations have been made by over 33,000 people! To find alternative tyres, simply click on each size to see what Tyroola has available. 175/70R13. https://mr4x4.com.au/4x4-suspension-modification-laws-suspension-manual-published/?utm_source=ActiveCampaign&utm_medium=email&utm_content=4X4+suspension+Laws+published+-+read+them+here&utm_campaign=PC+Newsletter+154+(Copy), http://www.rms.nsw.gov.au/documentscations-manual-suspension-and-ride-height.pdf. Reply Australia; RG.I [2012 . Example requiring certification: Fitting an alternative fuel tank or repositioning of an existing fuel tank to non-original mounting points. When using a tyre size comparison tool, it's important to know the difference in the outer diameter. consult your car manufacturer's manual before changing your tyres. 195/65R15. Dated 25 October 2018. Learn more about how it works, A tyre comparison guide to help you with your decision making, Wheel alignments are critical to balance the tread wear and performance of your new tyres, What is a wheel offset? endstream endobj 381 0 obj <>stream The only exception is if there are larger tyres in your model range; see this for more information 50mm tyre size increase. Will They Fit - The No.1 Online Alloy Wheel & Tyre Fitment Calculator. You can also run comparisons between different tyres and work out the differences in size and odometer corrections. If you want to know how to measure tyre tread depth in Australia, you should pay close attention to the following: https://tyrepower.com.au/tyres/tyre-care. I hope this chart can help people find out how big there tyres are. This measurement is taken from the wheel to the outer circumference of the tyre and is a percentage of your tyre's width (55% of 185mm). Tire diameter measurements vary for each pattern or brand. Our tool gives this in percentages: a positive number is larger/wider, while a minus number represents a negative change. the standard tyre size is 275/70r16, and I've gone with 285/75r16. Within those limits, any rim diameter is allowed. No, I would say you cannot. What are the shipping charges to my area? I have been looking into this for my SUV 44 x-trail. 31X10.5R15. Note: Tyres showing wear on one side, or showing feathered edges to the tread pattern, are often indicative of mechanical maladjustment. Heres a guideline to whats legal in the major states of Australia. Maybe the ultimate compromise is to find some alloy wheels second hand off a 17 or 16 Vitara (after finding out that they fit) and going with them? Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. Vehicle Standards Information . 5) Load index (the maximum load capacity of the tire) 6) Speed index (the maximum speed of the tire) Input your search keywords and press Enter. Tire is 5 mm closer to suspension components. Towing capacity; a simple guide to keep you legal, 50mm tyre size increase on models in your range, https://bigtyre.com.au/store/P2592/825r16-haulmax-att304-set-14-ply-tube-tyre, What to take on a lap of Australia, and leave behind, The progression of camping; perspectives and what you really need. I would assume they go off the size listed, not its actual measurement. JavaScript is disabled. RD = 258 + 406.4. Therefore you need to find 20" tyres with a rolling distance that falls between 651.4mm and 679.4mm to be legal. Cheers. Price Beat Guarantee Specials View Cart (0) Toggle navigation. There are a number of factors involved in ensuring a smooth ride when driving, but without the appropriate tyre tread depth, you may quickly find your car difficult to control particularly in wet weather or other slippery road surfaces. The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. experience with the Tyre Size Calculator, But the placard on the door frame states Recommended tyre size 225/60/R18 100H (no mention of other sizes). ProFleet, your fleet of vehicles gets priority booking at over 270 Tyrepower locations across tyre construction (Radial or Bias-ply), tyre speed rating, load capacity and maximum inflation pressure. Puncture repairs must meet Australian standards. That is of course, unless there are other models in your range with only cosmetic changes that run bigger tyres. any chance you could help me out mate? Would be much appreciated. The New South Wales Roads and Maritime Services have released a concise document that deals with many of the new rules that surround the modification of any vehicle under 4.5 tonnes GVM, and required certification. The maximum tyre width allowed is 1.3 times the width of the largest optional tyre offered by the manufacturer. I know, fake 44, but Im on a budget! The GU would be one of few that can legally run 285/75r16 or equivalent these days. If you know for sure that your vehicle is illegal (essentially if your roof height has gone up by more than 50mm from factory), you need to do a lane change test, and have an engineer to sign off on the modifications. Table columns headings: Column "Diff" may have percentages in the range from -3% to +4% (+5% for Winter tyres), which are allowed. I found this from Mr 4x4 in my inbox this morning. The diagram below shows the permissibile conversion from a 15" through to a 20" tyre. However, the poor sales bloke (or lady) has no idea what is legal or not, and in the event of an accident, if your vehicle is outside of the regulations, you may have a claim refused. You may also like to try the Tyre Size Calculator. So its a fake 44! 198.75mm x 2 = 397.50mm. The sidewall height is a percentage of the width of the tyre. We'll reach out to you as soon as we can. Good to know. I am unsure if there is much of a difference or not between the sizes and would like the look of the bigger tyre but dont want to significantly impede performance of the car. As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. It is the part of the tyre that comes into contact with whatever surface you are driving on - from smooth highways to muddy off-road terrains. You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres.

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