legal tyre size calculator nsw legal tyre size calculator nsw

Are 1inch coil spacers any good. Thread starter mikehzz; Start date Dec 16, 2016; M. mikehzz Well-Known Member. When you fit larger tyres, the vehicle height only goes up by half of the tyre height difference. Nicely written article Aaron, cheers buddy. For more tyreand wheel information check this transport.qld. Fact is though, lots of 4WDs across Australia arent legal. The tyre plus sizing or the tyre upsizing is the procedure We would like to hear: A great, cheap option for light trucks and vans, providing low noise and comfort on the road. 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. Get recommended upgrade/replacement tire sizes, with adjustable difference variables (rim size diff./section width diff./circumference diff.) I think there is going to be a lot of cracking down in the near future! So its a fake 44! In my case. And like other states, the wheels cant protrude from the bodywork of the car when theyre in the straight ahead position. Learn more Nitrogen Inflation 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. 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. Ive spoken to insurance companies on the past, and told them of lift kits and bigger tyres on several vehicles, and they all say Sure, no worries, Ive added it to your list of modifications and you are covered. Alternatively ring them. If caught driving an illegal tyre, you will receive a fine and demerit PER TYRE below the legal limit- which varies per state/territory. JavaScript is disabled. Expand. experience with the Tyre Size Calculator, The listed diameters are from calculations based on the tire size. For more tyreand wheel information check this RTA PDF. I think ive understood that the diameter cannot exceed 50mm, what about width? If your tyres are worn to the tread wear indicators (TWI) - 1.6mm or below - they must be replaced. 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 OE tyre and OE wheel diameter, presented as percentage(%). Find the series of numbers on the sidewall. Section width x 75% (the aspect ratio) x (two sidewalls): 265 x 75% = 198.75. Youd think they wouldnt worry too much, given that most tyre manufacturers vary their sizes anyway. Example: The height of this tyre is 65% of . Click here. h262P0Pw/+Q0L)662)Ic0i1P` Our tool gives this in percentages: a positive number is larger/wider, while a minus number represents a negative change. It also solves the problem of deciding what tyre you would like to run if you have inch . 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 . Ignore the physical dimensions. Had the same problem when getting tyres for the Troopy. One of the main points here that is important for 4WDers is the one that relates to tyre size modification. Fenders. If you search, youll find that the term DPF is not mentioned anywhere in this article, so not sure what you are complaining about. If I do not notify the insurance company, will they decline my claim? and Terms of Service apply. In the last two years more than 160,000 calculations have been made by over 33,000 people! Example not requiring certification: Fitting a replacement fuel tank of equal capacity using the original manufacturers mounting points. 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). 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. 378 0 obj <>stream you needs, but only to give you a suggestion in your quest for the final answer. 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. The sidewall height is a percentage of the width of the tyre. To be considered roadworthy your tyres must be free from cuts, cracks . Let us know about your 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. specific new wheel diameter you've entered, aren't all suitable for your car. are for the OE tyre(i.e., stock tire). At the end of the day, this is far more important than how far your 4WD goes off road. Details. Factory standard tires on the MR Triton is between a 245/70R16 or 245/65R17 or 265/60/18 which all roughly equate to . You must log in or register to reply here. When changing your tyre size, stay within 3% of your original tyre's diameter and height. The sidewall heights are:- 265mm. By fitting a lift kit, your center of gravity increases. . Are we allowed to run 37s as its with in the 7% guideline? It is 15.2mm larger than that of 225/40/18(637.2mm). However, I do believe there is an unhealthy obsession with fitting Bigger Tyres and lift kits, without proper consideration as to the benefits and risks associated with doing so. There are three main ways of measuring/checking your tyre tread depth. 175/65R14. / R. select new wheel diameter size. 185/70R13. To find alternative tyres, simply click on each size to see what Tyroola has available. If you are towing its even easier to be illegal. This is why knowing how to measure your tyre tread is so important. tire size or rims Choose a tab below to get fitment data for your vehicle or to find vehicles matching your criteria. If you are going to be lifting vehicles, you need to look at VSB 14. endstream endobj 381 0 obj <>stream Can you travel Australia on $800 per week. you install the larger wheels on a car. I believe Vic can go 50mm bigger diameter on tyres and a 50mm suspension lift, so a 75mm lift overall, What about Tas? But, the tires are the most important component by far. Get weekly updates with the latest car news and reviews. It calculates the tyre dimensions for plus sizing. Need tyres? Misaligned wheels I cant answer your question about whether they factor actual size, or theoretical size. Column "Diff" may have percentages in the range from -3% to +4%(+5% for Winter tyres), which are allowed. This is not the only legal tyre size. Plus Sizing your tyres can be also referred to as stepping up. The tire dimensions listed satisfy only one criterion in the quest for a new tire dimension, the one This second number is that percent. Do the same for another set you want to compare them with. This is for informative purposes only. Our handy Tyre Calculator lets you see all the acceptable tyre sizes that exist . At 54.5mm bigger in diameter than the stock tyres they . If you have an accident with an illegal 4WD, what happens? If youre intending to modify your car so it rides low, its recommended you ensure it still meets legal requirements. Ive just bought a set of used tires(205/60/16). Where are you located? In other words, it says what is acceptable deviation of the 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. Is the 8.25-16 on toyota 80 legal regardless the actual diameter? the standard tyre size is 275/70r16, and I've gone with 285/75r16. 185R14. maybe lol - need a Gingerbeers certificate if tyres are over 7%. Please choose a category from the left menu. Do I need engineering approval? By changing the wheel track of your vehicle the handling changes. RD = 258 + 406.4. 5. Puncture repairs must meet Australian standards. The moment you change that, the engineering goes out the window. Calculate metric or inch tyre dimensions and compare to similar tyre sizes. ProFleet, your fleet of vehicles gets priority booking at over 270 Tyrepower locations across This is the maximum legal lift kit height in WA as long as you run the factory size tyre. Ride Height and Gearing to Remains the Same. Bridgestone Desert Dueler D697 - LT285/65R17 120S - That's a 120 load index = 1,400kgs and S speed rated = 180kph. An interesting write up. Compare your new and existing setup and our tool will show you key measurements for accurate . I have a BT50 and am wanting to increase my tyre size (265/65/17 0r 776.3mm) whilst staying within the 50mm limit. TAKE NOTE: Tyre manufacturers recommend that you don't allow your tyre tread depth to go below 3 mm for added safety. (OE TD - OE WD or 2 x OE sidewall height). 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. As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. 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, 6. (Roughly a 32inch tyre). This formula is used by the leading tyre manufacturers. Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. It can also go the other way, adversely affecting the way a car behaves on the road. NEW feature: Or, You can display adequate tyres for all three Plus Sizing methods: Tyre Condition. A long-lasting summer tyre designed for vans and other people movers. However surely then if you have 1 lift and 2 bigger diameter tyres your car is now 3 off the ground and illegal? Our tire size calculator will help you estimate the difference of external dimensions of the wheels, height clearance, revolutions per mile and other characteristics, when installing tires of other sizes on your vehicle. Perhaps you should re-read, before you leave comments that make you look rather silly. 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%. the 285/75R16 is a legal tyre . Though your tyres will really wear out over time, there are some factors that can accelerate the process. while keeping an overall diameter and a circumference of the new tyre approximately the same as they Suck it guys. Ive heard this too. Remove any objects lodged in the tread and check for gouges or punctures. 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. Ford Ranger Raptor ready to rip in for NSW police! You will find that the Everest had its compliance rating changed to MC, so its not actually a passenger car. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. you guest it its all about the weakest vehicle manufacturer in the group. Ensure tyres have adequate tread depth. 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. Developed in association with the NSW Vehicle Standards Working Group . Type your rego. Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. Select your tyre size and find the right car tyre for you. Original . Take a 20c coin and check out the swimming platypus because he will do the checking for you. Tire diameter measurements vary for each pattern or brand. /qkZ#0!\%Z4ZS=I5$:um4+}S'|6Tem@wtL}2Fz?RPwmY}5X;yP,o=OjNWHEQW]'txg^SZ&Osmh6D.*'Wo/ fb=C_'=*6_YhB Disclaimer:Tyre interchangeability is not always possible, so be sure to Would be much appreciated. The tyre size calculator shows the effect of changing tyres. We have tyres to fit all your driving needs and all budgets. 3) Radial construction. 7. 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. Modify or construct a vehicle. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. Within those limits, any rim diameter is allowed. This site is protected by reCAPTCHA and the Google Privacy Policy Youre also not allowed to fit wheel spacers unless they are factory fitted while steering limit stops cant be adjusted to allow the fitting of larger rims or tyres. 1. As one of Australias leading multibranded fuel cards, the Tyrepower Fleet Card gives you the power of so much more. The calculator lists optional/alternate tyre sizes, based on the entered OE tyre size, where the overall tyre diameter for the Aus Navara is a 255/70 . Steering and suspension issues call us on 1300 367 897 or search by vehicle registration below. Width (A) - The tyre width measured in millimetres. smaller sidewall height(lower series, aspect ratio) than it's on the Your tyres are the only part of your car that touches the road. Just type in the metric fields and click convert to inches. 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. . Rim Diameter + 381.00mm. 31X10.5R15. 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. However there are maximum limits that an inspection authority can certify. The biggest tire you can fit on a MR Triton with stock suspension and stock rims are 235/85/16. You may also like to try the Tyre Size Calculator. Please choose a category from the left menu. 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. 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? 5) Load index (the maximum load capacity of the tire) 6) Speed index (the maximum speed of the tire) 1= 'c Find the sticker (usually on your drivers door framework) and see what it says. Call our friendly customer service team. Look at your existing tyres and enter their size into the calculator. 175/70R13. I, ANDREW BROAD, Assistant Minister to the Deputy Prime Minister, determine this vehicle standard under section 7 of the Motor Vehicle Standards Act 1989. The 285 is actually 7mm too big. Vehicle Standard (Australian Design Rule 95/00 -Installation of Tyres) 2018. 13 inches - 5 tyres. The sidewall height or "aspect ratio" of a 285/75/R16 tyre is 75% of 285mm. ,V? U? Example not requiring certification: Replacing 215/65R17 (712 mm overall diameter) tyres with 235/65R17 (738 mm overall diameter) tyres, an increase in overall diameter of 26 mm, or 4%. This is the maximum legal lift kit height in WA as long as you run the factory size tyre. any chance you could help me out mate? In other words, 1 inch goes above the diff, and one inch below the diff. They have however started measuring the hight of the lift from the center of the rim to the underside of the wheel arch. size and click on "Show Optional Tyres for the New Wheel" - the orange button. 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. Simply pay in instalments. If you want this, you need engineering approval. 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. %. The only exception is if there are larger tyres in your model range; see this for more information 50mm tyre size increase. select your original equipment(OE) tyre size, the new wheel/rim diameter They need to make things standardized across the country, and get the police on the same page. In WA, you can only lift the roof of your vehicle 50mm total, in combination of suspension lift, body lift and tyres. If you want to read through the document, you can find it here. 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 . Suspension and ride height Gazettal November 2016 2 (35 pages) . Speak to an engineer, but youll find the process of engineering is to make the vehicle safe in its condition. Compare tyre specs (tyre diameter, sidewall width and height and tread width) side by side. 4) Rim diameter in inches. This 50mm is the total combination of body lifts, suspension lifts and bigger tyres. Tread depth is how much tread you have left on your tyre and is measured in millimetres in Australia. 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 . We offer Nitrogen inflation for all passenger cars, light trucks and SUV/4WD's. Price Beat Guarantee Specials View Cart (0) Toggle navigation. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. I have a 2012 hilux sr, I wanted to get a 2inch lift with 32 inch tyres. Thank you very much. https://bigtyre.com.au/store/P2592/825r16-haulmax-att304-set-14-ply-tube-tyre It's NSW reg'd and passed rego inspection just two days ago. Driving frequently with excess weight Copyright Drive.com.au 2023ABN: 84 116 608 158. 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. 155/80R13. 2. . (+5% for Winter tires) of the difference between the OE overall tyre diameter and the OE wheel diameter Cheers. A very useful tyre calculator when searching for tyres that are a different size then stock. Youll have to ring the department of transport over there and ask. 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 . On top of this, if you do any towing, there are 7 weights that you need to comply with, which confuses everyone. It also specifies the distance between the bottom of the guard and the centre of the wheel. Every 4WD should have a sticker which details the factory tyre size. To find alternative tyres, simply click on each size to see what Tyroola has available. The only other solution is you reduce the modifications done to the vehicle so it complies without the need of engineering. 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? 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. Theres certainly some interesting areas to delve into that youve mentioned though. 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. If you have bigger tyres than standard and a 2 inch lift (or bigger), your vehicle is also illegal. 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. PDF. Your tyre size can be found on the sidewall of your existing tyres. Legally in Australia, tyres must have a minimum tread depth of 1.6mm. Low profile tyres have smaller aspect ratios. Current Size. The only exception is if there are larger tyres in your model range; see this for more information - 50mm tyre size increase. 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. Look at your existing tyres and enter their size into the calculator. 4. Additionally, wheel width cannot be increased by over 25mm of the widest factory option without needed certification. Do you know of any engineers in SA that could sign off a 4 wheel drive? 14 inches - 10 tyres. Tyre Disposal Use the comparison tab to see side by side comparison and speedometer error. As the tread depth gets shallower, going down from 8mm to 5mm to 3mm and so on, your tyre will lose its ability to grip and stay on the road. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. 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! 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 Defective brakes. At the RTA (NSW) they said a 750R16 is the same diameter as a 235/85R16. 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%. The maximum allowed increase in track over the manufacturers specifications is one inch, or 25mm. and the legal obligations on vehicle owners, and every attempt has been made to ensure the . P275 / 35 ZR20. Tyre dimensions explained. Let me know what you reckon below! Save up to 40% online. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. Find your tyre size based on its sidewall code. Your feedback, suggestions and ideas in order to help us serve you better. Anything below is considered unroadworthy. Im not sure what the regulations are over there, Thanks for that.I will give them a phone call. Download Article. 215 / 60 R16. Cop at an rbt chatted me about the 285/75r16 tyres that have been on the 80's wheels for the last 7 yrs. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . Aspect Ratio: The height of your tyre from the base of the tread to the rim, as a percentage of the tread width. You already have one wheel Plus Sizing Calculator. 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. Search hundreds of tire sizes to find the right tire size for your application. I hope this chart can help people find out how big there tyres are. I will probably go 225/65 r17 as the 235 Tyre takes me 1mm over the max 75mm in Victoria. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. Car manufacturers are lowering the category for the mainstream and to cover 24 versions. For each tyre size you input our tyre calculator suggests multiple tyre sizes that are with in one inch bigger and smaller of the entered tyre size. Im in WA and have a Suzuki Grand Vitara Prestige. In fact, the actual diameter of 8.25-16 is 865mm. If you have a 4WD that has a lot of gear on it, take a look at this post What does your 4WD weigh? Our tool gives this in percentages: a positive number is larger/wider, while a minus number represents a negative change. 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??? We'll reach out to you as soon as we can. I would speak to some tyre shops, and see what they recommend. 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. An assembly consisted of In theory then, a car with 15-inch wheels might be able to take a 17-inch space saver. You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. But the placard on the door frame states Recommended tyre size 225/60/R18 100H (no mention of other sizes). I have just bought a toyota 80. In many cases, a vehicle with 50mm tyres and a quality 2 inch lift kit will handle better on the road, but you still need to prove it is safe by having an engineer sign it off. 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. Chris. It doesnt consider any roof attachments; its just the factory roof height. But thats illegal. Check out our guide for answers to all your questions. 5 - supersedes Rev. It's time to get a new set of tyres to avoid possible blowouts and accidents. should be the OE tyre size) diameter. The most popular Plus Sizing methods are: All these plus sizing methods require a larger replacement wheel/rim, whose Every tire size has the measuring rim and the approved rim width range. If you have an accident with illegal mods, you could be in trouble. The article can be found here: http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdf. In WA you can find it online, but I cant see that for SA. I have been looking into this for my SUV 44 x-trail. eg. Under South Australian laws, wheel spacers are not permitted between the hub and wheel unless originally fitted by the manufacturer. If your tyres are worn to the tread wear indicators (TWI) 1.6mm or below they must be replaced. Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia The condition of your tyres is imperative for the overall performance and safety of your vehicle. I thought 265/75/16 was more common than 70/16? Thanks for the information. Put safety first when using the road and ensure youre performing regular tyre examinations and tyre maintenance. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3). 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, The biggest legal tyre size is literally dependent on the vehicle you drive. Read this for more information 50mm tyre size increase on models in your range. This is perfect for us, as a 265/75/16 (one of the most popular tyre sizes around) is 803.9mm. Remember, too, that changing the rolling radius of a tyre can affect the accuracy of the speedo, so it pays to ensure its checked by an expert. The entire point of having vehicle standards is to ensure that people drive safe vehicles on the road. All of these things (and many more) can contribute to having an unsafe vehicle. Simply pay in instalments. The chosen wheel will determine the real tire size when the tire is fitted on the wheel. The X-trail T31 2007 44 is rated MC. Column "Winter tyres only" that has an asterisk in a table row, means that the row tyre size is acceptable only for However, since your tyre is always in constant friction with the road, the tread will eventually wear down. 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. Divide this by 25.4 to get inch equivalent. In order to cover yourself, get any modifications that are outside of the regulations engineered. The #vanlife world needs an off-roader, is the Ford Transit Trail the solution? This post is referring to WA though. winter tyres. The factory size of toyota 80 is 7.5-16 or 275/70/16. Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. MA is classed as a passenger car and can only have 15mm Total diameter Tyre increase, 7.5mm Tyre lift!