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. the tire and wheel has to be adequate for your car. Your tyre tread is what grips whatever surface you are driving in - be it a smooth paved road or a rough and rocky dirt trail. I will probably go 225/65 r17 as the 235 Tyre takes me 1mm over the max 75mm in Victoria. Reply Australia; RG.I [2012 . Youd think they wouldnt worry too much, given that most tyre manufacturers vary their sizes anyway. If the 4wd has 35s and its engineered for 35s. If so where can find this information? Can I fit bigger wheels and tyres to my car? - carsales.com.au Ok now add the revenue earners into the fray and you are behind the black ball, without any sense of engineering principals of strength and capability they are totally reliant on the lowest common denominator, the specs. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3) Example: 285/75R16 (285 X 75 / 2540 x 2) + 16 = 32.8 inches tall. Common mistake, but it works in our favour. Speak to an engineer, but youll find the process of engineering is to make the vehicle safe in its condition. To check your vehicles tyre tread wear, you may refer to the following ways: Inspect your tyres monthly for tread depth, proper tyre inflation, and any damage. Do electric vehicles really need specialty tyres? hok0\d$(2[H6JjpL^Kf 9HLe x@j((B(G}#@)@n@!46 )) HEP cY 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? I want to increase to either a 265/75/16 (803.9mm) or a bigger 275/70/17 (816.8mm). My request at DOTWA was rejected on this basis. Search hundreds of tire sizes to find the right tire size for your application. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. Wider tyre may require wider rim; road regulations may say permitted rim width is +/- 25mm from . tires - "Standard" tyre width vs. rim width chart - Motor Vehicle It calculates the tyre dimensions for plus sizing. Selecting the right tire size for your car | Continental tires All of these things (and many more) can contribute to having an unsafe vehicle. when the tyre plackard states tyre size as 255x70x16 are you allowed to put 265x75x16 on and not run into any problems with the cops . Motor vehicles in Australia are subject to many complex but necessary safety standards, and tyres are no exception. You see, you are required to tell your insurance company about any modifications done to the vehicle. I hear people say all the time My insurance company have insured my 4WD with a 3 inch lift and 35 inch tyres, and they genuinely believe that their vehicle is insured. 75mm lifts now legal in NSW as well as Victoria without certification Tread wear indicators are little raised notches of tread moulded into your tyre's tread grooves. Transport for NSW VSI.09, Rev. Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). you can enter the chosen tire size and you'll be presented with the adequate rim width range for the tire size. Though your tyres will really wear out over time, there are some factors that can accelerate the process. The sidewall height is a percentage of the width of the tyre. select your original equipment(OE) tyre size, the new wheel/rim diameter 2. 175/65R14. Put safety first when using the road and ensure youre performing regular tyre examinations and tyre maintenance. Had the same problem when getting tyres for the Troopy. just curious As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. So that's 42.5mm increase and my suspension setup has lifted the car pretty close to 50mm. One of the main points here that is important for 4WDers is the one that relates to tyre size modification. See changes to diameter, ground clearance, speedometer and get guidance. The moment you change that, the engineering goes out the window. Tyre Size Calculator/Tire Plus Sizing Calculator helps you to find the optimal tyre size when The overall diameter of the rim cant be more than 15mm more than manufacturer specifications, while the rim and tyre are also not allowed to foul the bodywork or suspension. However there are maximum limits that an inspection authority can certify. Example requiring certification: Fitting an alternative fuel tank or repositioning of an existing fuel tank to non-original mounting points. width affects the tyre choice also, besides its diameter. 5. How do I work out the space saver size I need? - Ask the Car Expert Hey guys just wondering if able to run 285/75/r16 on a Rg ltz 16x8 and if they are legal in qld and nsw. Let us know about your The article can be found here: http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdf. Tempe Tyres provide Tyre Disposal and Recycling services. I dunno why theyd issue these on something with so much 44 going on. Car manufacturers are lowering the category for the mainstream and to cover 24 versions. For more tyreand wheel information check this RTA PDF. Example requiring certification: Replacing 215/65R17 (712 mm overall diameter) tyres with 265/65R17 (776 mm overall diameter) tyres, an increase in overall diameter of 64 mm, or 8%. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . Buy now. Youll have to ring the department of transport over there and ask. 155/80R13. Why Buy Tires Online? 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. Tire Size Comparison. How to Make Sure Your Tyre Tread Depth is Not Illegal | Tyroola Hey mate, i noticed you said we are allowed to raise the roof height by 2, however you also said you can get a 2 lift and the same tyres, or a 1 lift and 2 bigger diameter of tyres. Anything below 1.6mm is considered illegal in Australia. At the end of the day, this is far more important than how far your 4WD goes off road. . Section width x 75% (the aspect ratio) x (two sidewalls): 265 x 75% = 198.75. Nicely written article Aaron, cheers buddy. The sidewall height or "aspect ratio" of a 285/75/R16 tyre is 75% of 285mm. Vehicle Standard (Australian Design Rule 95/00 -Installation of Tyres) 2018. Tyre Size Guide | Tyre Specification & Size Advice | Beaurepaires I think there is going to be a lot of cracking down in the near future! Get special deals and offers on cheap tyres and fitment Australia wide. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. select OE tyre size. That said, I think the laws surrounding modifications of 4WDs need to be seriously looked at, and Im sure a number of you would agree. Posts: 66,782 Thanked: 266,033 Times View My Garage . Australian law states that if your tread falls below 1.5mm or your treadwear indicators make contact with the road surface, your tyre is classed as unroadworthy. The entire point of having vehicle standards is to ensure that people drive safe vehicles on the road. If you want to know What is the legal lift kit height, make sure you also consider the tyre size change, as this is what usually catches people off guard. (OE TD - OE WD or 2 x OE sidewall height). This is because tread depth is an important aspect of tyre care, improving safety when braking hard or quickly accelerating out of a dangerous situation. for the Aus Navara is a 255/70 . The tyre plus sizing or the tyre upsizing is the procedure They have however started measuring the hight of the lift from the center of the rim to the underside of the wheel arch. Tire Size Calculator - tire & wheel plus sizing courtesy of 1010tires in Canada . Ford Ranger Wheel Size | CarsGuide (+5% for Winter tires) of the difference between the OE overall tyre diameter and the OE wheel diameter Modify or construct a vehicle. Tire fuel efficiency-economy and Fuel efficient, low rolling resistance tires, Where to find the correct tire pressure for your car, High Load (HL) Tires for Electric, Hybrid Cars and Suvs, Tire Size Calculator - Compare Tire Dimensions, Tire Size Converter - Tire Size Conversion, Set Higher Winter Tire Pressure In Your Garage, Light Truck and a tire used on light trucks, Tire Size Conversion Chart - Metric to Inches - by RD, Tire Size Conversion Chart - Metric to Inches - by OD, Tire Size Conversion Chart - Inches to Metric - by RD, Tire Size Conversion Chart - Inches to Metric - by OD, Rim width range and Measuring rim width for Tire Size, Tire Pressure Conversion Charts - bar to psi and psi to bar, Tyre size chart, Tyre conversion chart, Tyre speed rating, Profile / Aspect Ratio (B) - The profile is the depth of the tyre sidewall. This second number is that percent. And I just have the third party insurance, My car is not covered by the policy. Thank you very much. I know this, as Ive been on it (cant remember the address) and I have spoken to engineers who have looked this information up in a matter of minutes. Aspect Ratio: The height of your tyre from the base of the tread to the rim, as a percentage of the tread width. Original . In fact, the actual diameter of the tyre is not larger than 15mm of the size of 225/40/18. The most popular Plus Sizing methods are: All these plus sizing methods require a larger replacement wheel/rim, whose Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. you guest it its all about the weakest vehicle manufacturer in the group. But whats legal and whats not? Cheers, Not many companies will advertise 1 inch, and its all dependent on how much your springs have sagged. Tire Size Calculator - Tire and Wheel Plus Sizing - 1010Tires.com 7.00R16. I think the tyre size thingy applies to the biggest tyres fitted to the model. I believe Vic can go 50mm bigger diameter on tyres and a 50mm suspension lift, so a 75mm lift overall, What about Tas? Holden Colorado - Wheel-Size.com When it comes to these results, it is recommended that you only use options within 1.5% and -2%. . Heres the thing, Raising 44 cars can be compromised if your AU compliance plate category says MA and not MC! It is not a 100% guarantee of correct fitment. I have been looking into this for my SUV 44 x-trail. Let me know what you reckon below! I would speak to some tyre shops, and see what they recommend. Check out our guide for answers to all your questions. I think ive understood that the diameter cannot exceed 50mm, what about width? Column "Diff" may have percentages in the range from -3% to +4%(+5% for Winter tyres), which are allowed. In Western Australia, VSB 14 has been adopted, which is a document that goes through the large majority of modifications done to vehicles, and what is legal or illegal. If Im honest, I reckon if you do find an engineer who will approve it youll be up for a lot of money. Tire size calculator: compare tires online And for 4WD owners and prospective buyers the big news is this: "Allows ride height to be increased by 75mm; comprising 50mm suspension and 25mm wheel/tyre without requiring certification under . I would contact the department of transport for your state and get a list of the engineers, and call them. Many also refer to the National Code of Practice and VSB 14, but there are also some state regulations that can differ. I totally agree; there are plenty of modified 4WDs that handle better than they did from the factory showroom, but unfortunately there are serious risks of driving a 4WD that isnt legal over here. The biggest tire you can fit on a MR Triton with stock suspension and stock rims are 235/85/16. Some examples include: 1. Plus Sizing your tyres can be also referred to as stepping up. It possibly is correct, but itd be good to know for sure. and Terms of Service apply. A great, cheap option for light trucks and vans, providing low noise and comfort on the road. 5 - supersedes Rev. 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. Every tyre has its purpose. 7.00-16. inn of the mountain gods gift shop / circle k workday login / legal tyre size calculator nsw. P275 / 35 ZR20. Get recommended upgrade/replacement tire sizes, with adjustable difference variables (rim size diff./section width diff./circumference diff.) The only other solution is you reduce the modifications done to the vehicle so it complies without the need of engineering. High-performance 4x4 ute a candidate for on- and off-road police duty. My tyre placard lists three sizes: 205/55/16, 225/45/17, 225/40/18. But what I would like to know is if I have my 4wd set up within all nt laws and then travel interstate with 100mm over all lift, am I breaking the law. Select your tyre size and find the right car tyre for you. NSW releases simpler modification document. the standard tyre size is 275/70r16, and I've gone with 285/75r16. 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 police has no real job in this country.Therefore they giving #### to the motorists for no reason.Australia is the most over regulated country in the world.A nanny state.In America ,people can put all kinds of wheels on their car,how come we cant?We dont live in a free country unfortunately.Some stupid people trying to control everything we do,like in a police state. If caught driving an illegal tyre, you will receive afine and demerit PER TYRE below the legal limit- which varies per state/territory. I live in Victoria, Youll need to go to the local road authority website and see what they use. If you need assistance measuring your tyre tread depth to Australian standards, you can visit your local Tyrepower for assistance, or give our friendly team a call on 13 21 91. The most likely place tyres will rub is near where your accelerator is, when you are full locked one way and the tyres flex up. There is a government website that most workshops have access to, which gives you all the detail you want about roof height. 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. Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. Pat Callinan's 4X4 Adventures; December 1, 2013; . Outside Diameter = 778.50mm. Bigger tyres and lift kits will make a 4WD more capable off-road, but it also makes them illegal on the road, unless you have jumped through a number of hoops. In theory then, a car with 15-inch wheels might be able to take a 17-inch space saver. 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. If your tyres are about to hit the legal limit, consider replacing them with a new set from Tyroola. These safety standards are specified in the Australian Design Rules (ADR), and they include the following: The wheel and tyre must be effectively covered by a guard. This exceeds the 50mm increase for the SX versions, but is within the 50mm increase for the LSU versions, and as a result we've gone for them. Start by entering your tyre size. If your tread depth is less than 3mm, you should consider replacing your tyres. Chris. Rim is 8 mm closer to suspension components. Rim will stick out 18 mm farther. Its pretty common to see big 4WDs driven daily on the road. . legal tyre size calculator nsw. It doesnt consider any roof attachments; its just the factory roof height. In Western Australia rims cant exceed the manufacturers specifications by more than 25mm, or one inch. 215 / 60 R16. If I go to tyre sales websites and enter the vehicle details, they only give 17 and 18 options. This size fits without any rubbing problems, and no trimming or additional modifications are required to make them function properly. There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. In regards to breaking the law, I dont think so, but confirmation from your local road authority would put your mind at rest. That is of course, unless there are other models in your range with only cosmetic changes that run bigger tyres. The GU would be one of few that can legally run 285/75r16 or equivalent these days. endstream endobj 379 0 obj <>stream When your tyre tread wears down and becomes flush with these indicators, your tyre has reached the limit of its safety. Calculating Sidewall Height: The sidewall height of our stock tyre is 65% of the thread width (185/ 65 R15). Towing & Trailer Weights Calculator - L2SFBC If it is over the manufacturers capacity, your vehicle is not legal. Suck it guys. size and click on "Show Optional Tyres for the New Wheel" - the orange button. Queensland lifts 4WD lift laws - carsales.com.au The size should be printed underneath the tire manufacturer name, just above the rim of the tire. JavaScript is disabled. By J. ames Cleary -25 Feb 2023. . Modify or construct a vehicle %. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. The wheel width has to be suitable An example is 70 series Landcruiser. 750R16 tyre size calculation - ExplorOz Make it a habit to check them once a month. Shop for Tires. Details. 3) Radial construction. Buy Tyres Online | Cheapest Prices for All Tyre Brands | Tyroola Any thoughts? Regularly get your tyres rotated to ensure even tread wear. Anything below is considered unroadworthy. If you look at the modification rules on vicroads it talks about specified by the vehicle manufacturer for that model or vehicle series. %PDF-1.6 % Discover our interest free finance options. Tyre Condition. In WA you can find it online, but I cant see that for SA. NOTICE: Tire dimensions presented in the resulting table, as possible new tire dimensions for the Tire Size and Conversion Calculator - Discount Tire %. Consider the following, at highway tire pressures you have maximum clearance under the diffs, but drop the pressures from 40 psi to say 20 psi than your diffs are earthward bound, bigger tyres allow more air under the diffs, bigger suspension lift puts the driver into rarified air but does nothing for diff clearance its only the tyres that does this. The first number on a metric tyre is the width. Tyre Size Calculator @ ExplorOz Articles Rim Diameter + 381.00mm. 31X10.5R15. Width: The section width of your tyre in millimetres, from the inner sidewall to the outer sidewall. Factory Tyre size is 30.6. that says that the new tire diameter has to be in a certain range in relation to the entered tire size(which OR. When a tyre is brand new, it starts off with about 8mm of tread depth - measuring from the bottom surface of the tyre to the top of the tread. Please respect the ETRTO guidelines limiting maximum tire pressure to 72.5 psi / 5 bar for Tubeless Straight Sidewall (TSS) or 'Hookless' type rims. Our handy Tyre Calculator lets you see all the acceptable tyre sizes that exist . Calculate metric or inch tyre dimensions and compare to similar tyre sizes. Rest assured, our staff have the experience and the know-how to find the right match for whatever fitment you are looking for. For more tyreand wheel information check this transport.qld. Ford Ranger Raptor ready to rip in for NSW police! Toyo OPAT2 - LT285/65R17 121S - That's a 121 . If you want this, you need engineering approval. There are a lot of heavy duty springs that will lift the vehicle around 30mm. 205/60R16. do it properly and get it engineered stop bring the heat on everyone that does it correctly I have a jeep wrangler thats lifted 3 inches and with the correct guards all engineered didnt cost much engineering was only 600 through double black off road melb, Good to hear its all done properly mate. Overspeeding - especially when cornering 1 inch lift and 2 inch bigger diameter tyres (together). Its value A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. I dont see it changing any time soon! Sorry to hear mate. If I do not notify the insurance company, will they decline my claim? Cop threatened me with sending the 80 for a blue slip inspection. Is your 4WD legal? - 4WDing Australia The thing is it came stock with alloy wheels and 225/60/R18 road tyres. Ive heard this too. Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia Within those limits, any rim diameter is allowed. 195/65R15. Under South Australian laws, wheel spacers are not permitted between the hub and wheel unless originally fitted by the manufacturer. Cheers. Not only will this help to prevent accidents, but it will help to improve the performance of your vehicle. It also solves the problem of deciding what tyre you would like to run if you have inch . Your personal driving style should be the OE tyre size) diameter. Find your tyre size based on its sidewall code. How to choose the right tyres for my car? The X-trail T31 2007 44 is rated MC. If you have bigger tyres than standard and a 2 inch lift (or bigger), your vehicle is also illegal. Have a chat to ARB they might have a spring setup that suits. In fact, the actual diameter of 8.25-16 is 865mm. 5) Load index (the maximum load capacity of the tire) 6) Speed index (the maximum speed of the tire) 4WD Legal Lift Height & Modifications | Bridgestone A long-lasting summer tyre designed for vans and other people movers. Cheap tyres. That's ok but it's not enough for the proper tire to rim fitment (read this). PDF Vehicle Standards Information - New South Wales If you have an accident and they trace it back to the fact that the tyres youve fitted contributed or caused it, you will be in trouble regardless of what insurance you have. Yellow stickers can be issued for a huge range of things, from engine modifications that are not approved through to tyres sticking outside of the guards, oil leaks, cracked windscreens, perished seatbelts, big lift kits or bald tyres and the list goes on! As we have increased 20 mm width for the upsizing tyre, therefore, the . Tyre Size Calculator & Tyre Dimensions | Bridgestone We offer Nitrogen inflation for all passenger cars, light trucks and SUV/4WD's. 185R14. 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. It may not display this or other websites correctly. The Drive Team brings you trusted, expert reviews of your next new car and is home to the best new car awards program in Australia. CS Tire Size Calculator - cycling-sport.com Alloy Wheel and Tyre Fitment Calculator. Offset, Tyre Stretch and