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. They will have less of an effect on your performance including braking, are more common and will be cheaper/easier to get in the scrub. Online Tyre Size Calculator. There is a government website that most workshops have access to, which gives you all the detail you want about roof height. Look at your existing tyres and enter their size into the calculator. 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. Overriding previous rules, the new paperwork states that overall tyre diameter can be increased by 7% before requiring an engineers certification: Replacement of tyres that change tyre overall diameter by more than 7% of the overall original diameter. Again, the purpose of these calculators and charts isn't to give the final verdict what is the best for Rim Diameter + 381.00mm. 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. When going to a larger tyre size or dropping down to a lower tyre size on a set of alloy wheels it is important to make sure your vehicles rolling circumference remains the same or as close to the original rolling circumference as is possible. 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. specific new wheel diameter you've entered, aren't all suitable for your car. After some quick tips on how to tow a trailer or caravan safely? An assembly consisted of We have tyres to fit all your driving needs and all budgets. You are using an out of date browser. Every tire size has the measuring rim and the approved rim width range. And I just have the third party insurance, My car is not covered by the policy. Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). 1. There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. They are inspected on the side of the road, and if the police believe the vehicle isnt roadworthy, you may get a yellow sticker. 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. I will probably go 225/65 r17 as the 235 Tyre takes me 1mm over the max 75mm in Victoria. If you are towing its even easier to be illegal. You may also like to try the Tyre Size Calculator. any chance you could help me out mate? Vehicle Standards Information . The diameter of 205/60/16 is 652.4mm. DAP Pricing Unless otherwise stated, all prices are shown as Manufacturer's Recommended List Price (MRLP) inclusive of GST, exclusive of options and on road costs. Rest assured, our staff have the experience and the know-how to find the right match for whatever fitment you are looking for. If I go to tyre sales websites and enter the vehicle details, they only give 17 and 18 options. Not only does tyre pressure change the measured diamter, but so does tyre speed. They are placed by manufacturers to help ensure your safety on the road. 7. The 285 is actually 7mm too big. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . tyre construction (Radial or Bias-ply), tyre speed rating, load capacity and maximum inflation pressure. I would assume they go off the size listed, not its actual measurement. By J. ames Cleary -25 Feb 2023. . 195/65R15. NSW light vehicle modifications code of practice. As we have increased 20 mm width for the upsizing tyre, therefore, the . and the legal obligations on vehicle owners, and every attempt has been made to ensure the . You already have one wheel When you fit larger tyres, the vehicle height only goes up by half of the tyre height difference. Puncture repairs must meet Australian standards. 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. Factory standard tires on the MR Triton is between a 245/70R16 or 245/65R17 or 265/60/18 which all roughly equate to . New Size. Perhaps theres some other reason, like the Prestige is a V6 and may have bigger brakes that wont fit in a 16 rim. It also solves the problem of deciding what tyre you would like to run if you have inch measurements in mind but can't find a company that manufactures that inch size tyre. Tip: To determine if the tyres you have selected require certification you need to look at the tyre placard fitted to the vehicle by the manufacturer. Price Beat Guarantee Specials View Cart (0) Toggle navigation. Every 4WD should have a sticker which details the factory tyre size. Its pretty common to see big 4WDs driven daily on the road. But the placard on the door frame states Recommended tyre size 225/60/R18 100H (no mention of other sizes). They need to make things standardized across the country, and get the police on the same page. Tyre designation, for example "P" for passenger car tyres Tyre size in combination of metric and imperial numbers, for example 205/55 R16, refers to tyre width of 205mm, tyre height to width ratio, or aspect . 6. I want to increase to either a 265/75/16 (803.9mm) or a bigger 275/70/17 (816.8mm). Overall original diameter means the maximum outside diameter of the largest tyre specified by the vehicles original manufacturer as an option for the vehicle, as shown on the vehicles tyre placard. However, since your tyre is always in constant friction with the road, the tread will eventually wear down. Is the 8.25-16 on toyota 80 legal regardless the actual diameter? The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. This is not the only legal tyre size. I cant speak for Tas mate. 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. Theres certainly some interesting areas to delve into that youve mentioned though. Where you frequently drive Body lifts and suspension lifts are also limited in height, varying from state to state. If the tyres you are running are bigger than 50mm than the number stated, you have a problem. If you have an accident with illegal mods, you could be in trouble. Discover our interest free finance options. In Victoria the maximum width of any replacement rim cant be more than 25mm, or one inch greater than the widest wheel specified by the manufacturer for that vehicle or model. If youre intending to modify your car so it rides low, its recommended you ensure it still meets legal requirements. Legally in Australia, tyres must have a minimum tread depth of 1.6mm. . Enhance grip and traction for safe braking and confident driving. 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. should be the OE tyre size) diameter. Perhaps you should re-read, before you leave comments that make you look rather silly. In fact, the actual diameter of 8.25-16 is 865mm. On top of this, if you do any towing, there are 7 weights that you need to comply with, which confuses everyone. Select the Dimension of your Tyres to Determine the Overall Diameter. 1 inch lift and 2 inch bigger diameter tyres (together). If we have a look at two tyre makers product lines that we have experience with in here at Adventure 4WD there's a couple of alternatives that offer far better strength. Australia and New Zealand. Tire Conversion Chart Bolt Pattern Finder Tire Pressure Calculator Tire Height Calculator Metric Tire Conversion Tyre Size Calculator Tire Height Chart All . 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%. A bigger wheel and tyre combination can really enhance the look of your car and often provide benefits to grip and handling. The only way this does not apply is if it has been signed off by an engineer. h262P0Pw/+Q0L)662)Ic0i1P` Please don't hesitate to send us your inquiry . In America, it is common for off road vehicles to see 4-6 inches of lift and 35-37 inch tires (usually on jeeps, not many twin solid axle vehicles left here) while saftey is important, the Aussie standards seem way over done. 5 - supersedes Rev. Calculating Sidewall Height: The sidewall height of our stock tyre is 65% of the thread width (185/ 65 R15). Unless you planning on doing serious off road work, Id get the 16s. The maximum allowed increase in track over the manufacturers specifications is one inch, or 25mm. Anything below 1.6mm is considered illegal in Australia. Fitting and adding alternative fuel tanks are also covered: Fitting/adding an alternative fuel tank or repositioning an existing fuel tank to non-original mounting points. Pay for it later - in four equal instalments. If caught driving an illegal tyre, you will receive afine and demerit PER TYRE below the legal limit- which varies per state/territory. Its not a huge difference between the two but the profile difference between 75% of the tread width and 70% can be enough of a difference to put your speedo out of whack too? Suggest you use the right terminology. To find alternative tyres, simply click on each size to see what Tyroola has available. And hopefully stop people starting all the posts about how big there tyres are. All punctured or damaged tyres must be removed from the wheel for internal and external examination to ensure there is no hidden secondary damage which may later cause tyre failure. In this way, you can run 2 inch bigger tyres with a 1 inch lift, because it only raises the vehicle by 2 inches, Hey guys, the standard tyre size is 275/70r16, and I've gone with 285/75r16. difference between an optional tyre(OT) and the original equipment(OE) tyre fits within the range of -3% to +4% That model may have larger brakes; the only way youd know is to ask on a Suzuki Vitara Facebook group. Hi All, legal tyre size calculator nsw. I hope this chart can help people find out how big there tyres are. Are 1inch coil spacers any good. Need vehicle servicing, repairs, accommodation and more for your business vehicles? 215 / 60 R16. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. Here's a guideline to what's legal in the major states of Australia. (+5% for Winter tires) of the difference between the OE overall tyre diameter and the OE wheel diameter TAKE NOTE: Tyre manufacturers recommend that you don't allow your tyre tread depth to go below 3 mm for added safety. NO need to pay twice for the same app! This is perfect for us, as a 265/75/16 (one of the most popular tyre sizes around) is 803.9mm. Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. Save up to 40% online. The size should be printed underneath the tire manufacturer name, just above the rim of the tire. Read this for more information 50mm tyre size increase on models in your range. Get weekly updates with the latest car news and reviews. Tyre Condition. Tyre Size Calculator. Email Us. 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. Use the comparison tab to see side by side comparison and speedometer error. For example, if you go from 33 tyres to 35 tyres, although they are 2 inches bigger, you only raise the vehicle 1 inch the radius change. Youll have to ring the department of transport over there and ask. . smaller sidewall height(lower series, aspect ratio) than it's on the The moment you change that, the engineering goes out the window. Overspeeding - especially when cornering Put safety first when using the road and ensure youre performing regular tyre examinations and tyre maintenance. tire size or rims Choose a tab below to get fitment data for your vehicle or to find vehicles matching your criteria. Notice: When practicing Plus Sizing methods, changing tyres and wheels, 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. We recommend you take the 20c test once a month and before any road trips. Its a total joke, and is causing a lot of dramas. If you are going to be lifting vehicles, you need to look at VSB 14. Toyo OPAT2 - LT285/65R17 121S - That's a 121 . 13 inches - 5 tyres. Buy now. If your tyres are worn to the tread wear indicators (TWI) 1.6mm or below they must be replaced. The problem though, is that too many people are unaware of what the implications of having modifications to their vehicle can result in. I have a BT50 and am wanting to increase my tyre size (265/65/17 0r 776.3mm) whilst staying within the 50mm limit. maybe lol - need a Gingerbeers certificate if tyres are over 7%. MA is classed as a passenger car and can only have 15mm Total diameter Tyre increase, 7.5mm Tyre lift! for the Aus Navara is a 255/70 . 205/60R16. Ok so for the practicalities, if it rides like a boat then it is illegal, if in the braking arena you bend the pedal, foot well or your leg or presents anxioty than its possible illegal or brakes are not up to spec. consult your car manufacturer's manual before changing your tyres. . Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. Legal Disclaimer Tire Pressure Calculator Limitations. I live in Victoria, Youll need to go to the local road authority website and see what they use. 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). Select your tyre size and find the right car tyre for you. In WA you can find it online, but I cant see that for SA. Profile / Aspect Ratio (B) - The profile is the depth of the tyre sidewall. Not only will this help to prevent accidents, but it will help to improve the performance of your vehicle. 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. If you have a 4WD that has a lot of gear on it, take a look at this post What does your 4WD weigh? A very useful tyre calculator when searching for tyres that are a different size then stock. Have a chat to ARB they might have a spring setup that suits. The sidewall heights are:- 265mm. For finding the appropriate wheel for the tire size you may use our Any modification which directly contributes to an accident is extremely likely to result in a reduction or declining of your claim. 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. Had the same problem when getting tyres for the Troopy. Youve brought up a very interesting question. Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. experience with the Tyre Size Calculator, 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. If anyone has more that they kno let me kno and ill add them on. Please choose a category from the left menu. Just to clarify tyre sizes, any car that is placarded with 265/70/16 tyres, most common size, cannot run a 33 or 285/75/16 because this exceeds the 50mm difference. 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. To be blunt, in the event of an accident, your insurance company can literally tear your policy up and walk away without paying a cent. This post is referring to WA though. Dec 16, 2016 #1 I found this from Mr 4x4 in my inbox this morning. Just type in a metric or standard size tyre and click calculate. To be considered roadworthy your tyres must be free from cuts, cracks . Im not sure what the regulations are over there, Thanks for that.I will give them a phone call. 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? 5. 2. In fact, the actual diameter of the tyre is not larger than 15mm of the size of 225/40/18. Buy now. We'll reach out to you as soon as we can. Use Tyroola's tyre calculator to find substitute tyre sizes for your vehicle if you're looking for a change. 26-Nov-2018. There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Ensure tyres have adequate tread depth. 14 inches - 10 tyres. Thanks for the information. Designed & Developed by Pat Callinan Media. Motor vehicles in Australia are subject to many complex but necessary safety standards, and tyres are no exception. There are three main ways of measuring/checking your tyre tread depth. However, theres always the slim chance that it doesnt go through and you could be in for a world of pain. Tempe Tyres provide Tyre Disposal and Recycling services. The sidewall height is a percentage of the width of the tyre. Rim is 8 mm closer to suspension components. The first number on a metric tyre is the width. Heres a guideline to whats legal in the major states of Australia. Search hundreds of tire sizes to find the right tire size for your application. 3. . Chris. just curious Your feedback, suggestions and ideas in order to help us serve you better. In many cases, unless the assessor is very knowledgeable, or your vehicle is obviously unroadworthy, your claim will slide by with no problem at all. So for someone like me even 31 (stock) tires are over the limit because I have flat fender flares installed. 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, Transport for NSW VSI.09, Rev. Start by entering your tyre size. In order to get the list of optional(i.e., replacement) tyres, that are adequate for your new wheels, in the plus sizing calculator below, 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. you can enter the chosen tire size and you'll be presented with the adequate rim width range for the tire size. winter tyres. you needs, but only to give you a suggestion in your quest for the final answer. Ride Height and Gearing to Remains the Same. Column "Diff" may have percentages in the range from -3% to +4%(+5% for Winter tyres), which are allowed. RD = 258 + 406.4. 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. Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. What happens when my Tyre Tread Depth is below the legal limit? NOTICE: Tire dimensions presented in the resulting table, as possible new tire dimensions for the This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. Current Size. The sidewall is the outer wall of the tire, rather than the tread that contacts the road. Acceptable for most cars. Your tyre tread is what grips the driving surface, keeping your vehicle steady so you don't lose control. The article can be found here: http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdf. 1 min read; Jun 05, 2022; Bagikan : how much did the cast of martin make per episode . Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. If you want this, you need engineering approval. Column "Winter tyres only" that has an asterisk in a table row, means that the row tyre size is acceptable only for The truck weve been waiting for has been durability tested Down Under, Ranger Raptor wins Baja 1000 and drives home, Why the Ranger Raptor has changed the game. (OE TD - OE WD or 2 x OE sidewall height). Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. Load index, Rim width and measuring rim for tyre size chart, Tyre width for rim width chart. First step is to find a quality engineer, although it sounds like youve already been trying that. Lift Kits. while keeping an overall diameter and a circumference of the new tyre approximately the same as they . Taking into consideration looks and performance (reduced power, speedo, fuel economy) which size would you recommend? original equipment(OE) tyre, 31X10.5R15. Here's all the information on the tire sidewall quickly decoded: 1) The width of the tires in millimeters. For starters, lets consider what is legal, and then you will know where you stand right now. 185/70R13. An interesting write up. 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. You will find that theres no benefit going too wide though, and it will increase the chance of it scrubbing. Example: The height of this tyre is 65% of . If I do not notify the insurance company, will they decline my claim? If you look at the modification rules on vicroads it talks about specified by the vehicle manufacturer for that model or vehicle series. that says that the new tire diameter has to be in a certain range in relation to the entered tire size(which A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. As with most other jurisdictions, the wheel must be contained within the bodywork of the car, including wheel arch flares. 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. It's NSW reg'd and passed rego inspection just two days ago. Before lay down any money, it would certainly pay to have a close look at the relevant documents to ensure that any mods you might accidentally do incorrectly wont land you in hot water further down the track. DPF is not in every diesel..they were trialed in automatic Nissan D40 for example in 2009/10then removed..my 2011 auto does not have a dpfplease get your facts right before you publish And like other states, the wheels cant protrude from the bodywork of the car when theyre in the straight ahead position. represents the ratio of the difference between OT and OE tyre diameter and the difference between P275 / 35 ZR20. Expand. What Is A Bald Tyre and How Do I Spot One? Anything below is considered unroadworthy. 4, issued 1 March 1994 Page 1 of 7. It doesnt consider any roof attachments; its just the factory roof height. Tire Size Calculator is an app that gives you concise info and intuitive interactive ways to help you: 1. Simply pay in instalments. it really depends on the officer that pulls you over ,you carnt get 22 inch tyres with the legal load rating to suit the ve,the 22 inch wheel size is ok ,but put an hsv tyre plackard on just incase your . This calculator allows you to tell the difference between the tires in inches, centimeters, and percentages. simple it might look on the first sight, it requires a tire professional with an experience and testing So if your standard fitment was a 15 inch wheel, a Plus One tyre would be 16 inch and a Plus Two would be 17 inch etc. As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. This formula is used by the leading tyre manufacturers. Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia How to choose the right tyres for my car? 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. Nicely written article Aaron, cheers buddy. This states that your roof height may only be lifted by 2 inch (or 50mm) from the factory (or standard height) before it needs to go through a lane change test. Steering and suspension issues You are also not allowed to fit tyres that are more than 50mm bigger than the factory tyre diameter. Increases in wheel track (the distance between the left- and right-hand wheel) cant be greater than 25mm beyond manufacturers specification. We offer Nitrogen inflation for all passenger cars, light trucks and SUV/4WD's. . Ive heard this too. 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 Comparison.