legal tyre size calculator nsw

No, I would say you cannot. smaller sidewall height(lower series, aspect ratio) than it's on the 8. If I go to tyre sales websites and enter the vehicle details, they only give 17 and 18 options. any chance you could help me out mate? This is perfect for us, as a 265/75/16 (one of the most popular tyre sizes around) is 803.9mm. The only exception is if there are larger tyres in your model range; see this for more information 50mm tyre size increase. The calculator and the information provided is free to you but cost me to produce and maintain, so please consider supporting me on Patreon and YouTube. 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. Discover our interest free finance options. Use this page to work out the radius, circumference and diameter of any size tyre. At the end of the day the driver makes most of the difference. This formula is used by the leading tyre manufacturers. I thought 265/75/16 was more common than 70/16? At the end of the day, this is far more important than how far your 4WD goes off road. Cheers. Location: Bombay. 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 . Tread depth is how much tread you have left on your tyre and is measured in millimetres in Australia. Anything below 1.6mm is considered illegal in Australia. Please choose a category from the left menu. Every tire size has the measuring rim and the approved rim width range. If youre intending to modify your car so it rides low, its recommended you ensure it still meets legal requirements. Its hard to get this sort of information from insurance companies too, but perhaps it would be worth a go. Pay for it later - in four equal instalments. I doubt you will get a vehicle with such a big lift engineered in WA, but you could try. There are a lot of heavy duty springs that will lift the vehicle around 30mm. and the legal obligations on vehicle owners, and every attempt has been made to ensure the . Let us know about your Do the exercise and see what it comes back at, but I reckon removing some of the lift and tyre size is going to be the way forward. If you have a 4WD that has a lot of gear on it, take a look at this post What does your 4WD weigh? Calculate your offset, compare tyre stretch, rolling radius and more. But do your own checks first because there is a 24 xtrail version. Posts: 66,782 Thanked: 266,033 Times View My Garage . The third number generally preceded by an "R" is the wheel diameter. The diameter of the new wheel and tyre combination cant be more than 15mm beyond the largest diameter combination specified by the manufacturer for that car. Disclaimer:Tyre interchangeability is not always possible, so be sure to All of these things (and many more) can contribute to having an unsafe vehicle. Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. 185/70R13. This 50mm is the total combination of body lifts, suspension lifts and bigger tyres. 175/65R14. W8(%0YdTMg7mc:*tN|=qA}sUrUs\|D[W;4.LXrwf4zKB1ifMn(i( l&'I1el~W7}O)#"a$?KdYkl #q;V;}B@SETJLs_Z~"Nt"EwV20pWZHocZ@cE2FcT]x'E #J Would insurance still 100% no questions asked cover my nt regoed and compliant 4wd if I were in another state where VSB 14 has been adopted??? Interest free. The diagram below shows the permissibile conversion from a 15" through to a 20" tyre. Theres certainly some interesting areas to delve into that youve mentioned though. Can anyone with experience or knowledge about a 99 Hilux tell the max size tyres i can go without any dramas? Getting a yellow sticker off your vehicle can be a pain, because even if the Police only pick one or two items that need attention, in order to pass the vehicle examination everything is scrutinized. Cause theres no were in geraldton that is willing to do it cheers. 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. So, how does an illegal 4WD add risk to the driver? The final figure you need to know is the overall rolling diameter. 265/70 R16 - 30.7" 265/75 R16 - 31.6" 275/70 R16 - 31.2" . I dont see it changing any time soon! 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. With Tyrepower Rim Diameter + 381.00mm. =Dbz1a|m QB!A>W5_4Q. 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 . 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. Look at the tyre size on your placard and you can go 50mm above that in WA. I want to increase to either a 265/75/16 (803.9mm) or a bigger 275/70/17 (816.8mm). One of the main points here that is important for 4WDers is the one that relates to tyre size modification. It will help you avoid speedometer errors since its accuracy is directly affected by tyre size. 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. By fitting larger tyres, your braking capacity is reduced. Email Us. Your tyres are the only part of your car that touches the road. Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. maybe lol - need a Gingerbeers certificate if tyres are over 7%. Can you travel Australia on $800 per week. The biggest legal tyre size is literally dependent on the vehicle you drive. I dont intend to do serious off-roading in it, but I might take it on the beach, and would much prefer standard 225/70/R16s, with the higher sidewall, that come stock on the lower-spec Grand Vitaras. What happens when they defect you? It's NSW reg'd and passed rego inspection just two days ago. 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. represents the ratio of the difference between OT and OE tyre diameter and the difference between . 1= 'c This means the maximum size is actually 813.3mm. TAKE NOTE: Tyre manufacturers recommend that you don't allow your tyre tread depth to go below 3 mm for added safety. Without them, you won't be able to go anywhere. You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. I dunno why theyd issue these on something with so much 44 going on. I have a 44 that runs 255/60/18 I wont to fit 265/60/18 because there is a greater choice of tyres .ls this legal . 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. In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing . On top of this, if you do any towing, there are 7 weights that you need to comply with, which confuses everyone. The second number on a metric tyre is to calculate the side wall measurement. And hopefully stop people starting all the posts about how big there tyres are. Example not requiring certification: Fitting a replacement fuel tank of equal capacity using the original manufacturers mounting points. For more tyreand wheel information check this Vicroads PDF. There are three main ways of measuring/checking your tyre tread depth. Rim is 8 mm closer to suspension components. Every 4WD should have a sticker which details the factory tyre size. 5 - supersedes Rev. NSW releases simpler modification document. My request at DOTWA was rejected on this basis. Profile / Aspect Ratio (B) - The profile is the depth of the tyre sidewall. The only way this does not apply is if it has been signed off by an engineer. Im perplexed by all detail or lack of detail, I find that there is no information on roof height and certainly nothing on hub to guard measurement that authorities use as the basis of prosecution. It calculates the tyre dimensions for plus sizing. I believe Vic can go 50mm bigger diameter on tyres and a 50mm suspension lift, so a 75mm lift overall, What about Tas? I'm in NSW the anal state . Why Buy Tires Online? There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. Wider tyre may require wider rim; road regulations may say permitted rim width is +/- 25mm from . 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. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. Those Suzukis go really well off road; I would give it a whirl on a beach under some controlled circumstances, and see how it is. However, theres always the slim chance that it doesnt go through and you could be in for a world of pain. . We recommend you take the 20c test once a month and before any road trips. The chosen wheel will determine the real tire size when the tire is fitted on the wheel. The listed diameters are from calculations based on the tire size. Simply pay in instalments. NSW In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing to notify the Roads and Traffic Authority (RTA). The entire point of having vehicle standards is to ensure that people drive safe vehicles on the road. hU[o0+~41qB"H^ ZHPNe;5; 165R13. See changes to diameter, ground clearance, speedometer and get guidance. To be considered roadworthy your tyres must be free from cuts, cracks . The vehicle's steering or suspension geometry may need to be . %. That model may have larger brakes; the only way youd know is to ask on a Suzuki Vitara Facebook group. 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. After some quick tips on how to tow a trailer or caravan safely? This tire calculator is for information . As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. Where you frequently drive consult your car manufacturer's manual before changing your tyres. The factory size of toyota 80 is 7.5-16 or 275/70/16. When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. It is similar to 315/75/16. In theory then, a car with 15-inch wheels might be able to take a 17-inch space saver. When upsizing the wheels and tyres, the overall diameter must be no more than 15mm larger or 26mm smaller than the tyre size designated by the manufacturer for that particular model. 195/65R15. A great, cheap option for light trucks and vans, providing low noise and comfort on the road. if suspension flex is your cup of tea, you have either the wrong vehicle or as a weekend warrior either way you are close to home. Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you"re traveling if you were to install the second tyre. It is 15.2mm larger than that of 225/40/18(637.2mm). Id also probably avoid going for steel wheels unless you want to increase your fuel consumption. Perhaps you should re-read, before you leave comments that make you look rather silly. the 285/75R16 is a legal tyre . In order to cover yourself, get any modifications that are outside of the regulations engineered. 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%. 225/50R17. Motor vehicles in Australia are subject to many complex but necessary safety standards, and tyres are no exception. 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%. Youll have to ring the department of transport over there and ask. Not only will this help to prevent accidents, but it will help to improve the performance of your vehicle. Cheers. I found this from Mr 4x4 in my inbox this morning. Too much or too little air causes uneven wear, reduces handling and grip, and shortens the life of the tyres. Suspension and ride height Gazettal November 2016 2 (35 pages) . If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . Checklist for fitting upsized wheels and tyres Tyres must be legal for road use Tyres must match or exceed the speed and load rating for the vehicle . It is also dangerous to drive because: Your tyre will lose grip and traction. Front Tyre Size Front Rim Rear Tyre Size Rear Rim; 2023: Ute : 255x70 R16 255x70 R16 2022: Ute : 215x70 R16 215x70 R16 . 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 size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. Buy now. 4, issued 1 March 1994 Page 1 of 7. At the RTA (NSW) they said a 750R16 is the same diameter as a 235/85R16. 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. I currently have a 3 lift with 35 tyres on a dealership purchased 2013 XLT Ranger, Ive been looking at the engineering list and sent out a few emails but noone has actually been able to put into steps just exactly needs to be done so I can avoid getting stickered. There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Expand. Calculate metric or inch tyre dimensions and compare to similar tyre sizes. 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. In Western Australia rims cant exceed the manufacturers specifications by more than 25mm, or one inch. 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. For those of you out there that are running bigger than a 2 inch lift, your vehicle is illegal. Take a 20c coin and check out the swimming platypus because he will do the checking for you. The diameter of 205/60/16 is 652.4mm. Im struggling to find an engineer that is sympathetic to my needs, and I have several mods that need engineering. It also specifies the distance between the bottom of the guard and the centre of the wheel. Reply Australia; RG.I [2012 . Thanks. Cars manufactured on or after the first of July 1988 must also have a speedo that is accurate to plus or minus 10 percent for all speeds above 40km/h. 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. 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. There is a government website that most workshops have access to, which gives you all the detail you want about roof height. RD = 664.4. The vehicles steering or suspension geometry may need to be checked. Get your wheels professionally aligned (every six months). This second number is that percent. %PDF-1.6 % Acceptable for most cars. Example: 195mm. If you have an accident with illegal mods, you could be in trouble. 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? Thread starter mikehzz; Start date Dec 16, 2016; M. mikehzz Well-Known Member. This formula is used by the leading tyre manufacturers. 4. 13 inches - 5 tyres. An interesting write up. In other words, 1 inch goes above the diff, and one inch below the diff. 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. In other words, it says what is acceptable deviation of the Every tyre must meet the requirements of ADR 23 before it is fitted to a new or used car. Now, I understand this post may get your blood boiling a bit, and I totally understand. Some examples include: 1. In this example, the width is 185. Need vehicle servicing, repairs, accommodation and more for your business vehicles? The tyre size calculator shows the effect of changing tyres. legal tyre size calculator nsw. The most popular Plus Sizing methods are: All these plus sizing methods require a larger replacement wheel/rim, whose 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. And like other states, the wheels cant protrude from the bodywork of the car when theyre in the straight ahead position. I would contact the department of transport for your state and get a list of the engineers, and call them. Good to know. winter tyres. Chris. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. When changing your tyre size, stay within 3% of your original tyre's diameter and height. 31X10.5R15. Your tyre size can be found on the sidewall of your existing tyres. Need tyres? So sometimes therell be another model that has a bigger tyre placard and you can use those numbers instead of the numbers on your placard. If the tyres you are running are bigger than 50mm than the number stated, you have a problem.

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