That model may have larger brakes; the only way youd know is to ask on a Suzuki Vitara Facebook group. 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. All of these things (and many more) can contribute to having an unsafe vehicle. So that's 42.5mm increase and my suspension setup has lifted the car pretty close to 50mm. If the 4wd has 35s and its engineered for 35s. Common mistake, but it works in our favour. Pat Callinan's 4X4 Adventures; December 1, 2013; . Your feedback, suggestions and ideas in order to help us serve you better. 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. Use the comparison tab to see side by side comparison and speedometer error. 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, I track Miatas and for best performance use 225 width tires on 9" wheels. Do I need to notify the insurance company about this modification? Coil spacers are not ideal, but they do work. 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. Price Beat Guarantee Specials View Cart (0) Toggle navigation. It is similar to 315/75/16. This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. Do the same for another set you want to compare them with. If you have an accident with an illegal 4WD, what happens? Tire Calculator Notes: Tire diameter can vary slightly for each tire model. 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. Team-BHP Support . Does this law apply in vic as i see lots of 4wds over the size limit for lifts and tyres. Get special deals and offers on cheap tyres and fitment Australia wide. Calculate metric or inch tyre dimensions and compare to similar tyre sizes. Your feedback, suggestions and ideas in order to help us serve you better. JavaScript is disabled. dimension, the wheel diameter, but you also need to know the wheel width. Shop for Tires. The tyre plus sizing or the tyre upsizing is the procedure That is of course, unless there are other models in your range with only cosmetic changes that run bigger tyres. . Thanks for the information. In other words, 1 inch goes above the diff, and one inch below the diff. 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. 13 inches - 5 tyres. Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. The diameter of 205/60/16 is 652.4mm. 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. But the placard on the door frame states Recommended tyre size 225/60/R18 100H (no mention of other sizes). Also browse our tyre categories and deals pages for Jeep tyres, 4X4 tyres, cheap new tyres, all weather tyres, cheap truck tyres, all season tyres, and tyres with free shipping. 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. Compare your new and existing setup and our tool will show you key measurements for accurate . There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Disclaimer:Tyre interchangeability is not always possible, so be sure to There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. Luckily for us most of these very strict laws do not apply here in the nt, where we can go 100mm overall lift. 215 / 60 R16. 155/80R13. of replacing a wheel with a larger one and mounting a suitable tyre on that wheel, the tyre with a If you can see the entire platypus bill and your tread doesn't reach or cover it, replace your tyre ASAP. Interest free. 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. The #vanlife world needs an off-roader, is the Ford Transit Trail the solution? Tyre Condition. Any modification which directly contributes to an accident is extremely likely to result in a reduction or declining of your claim. Look at your existing tyres and enter their size into the calculator. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. As we have increased 20 mm width for the upsizing tyre, therefore, the . If Im honest, I reckon if you do find an engineer who will approve it youll be up for a lot of money. At the end of the day, this is far more important than how far your 4WD goes off road. 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. 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%. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. The difference in diameter between the two tyres is 8.9mm or 1.13% which is acceptable. This formula is used by the leading tyre manufacturers. hok0\d$(2[H6JjpL^Kf 9HLe x@j((B(G}#@)@n@!46 )) HEP cY Designed & Developed by Pat Callinan Media. Tyre Size Calculator. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. tyre construction (Radial or Bias-ply), tyre speed rating, load capacity and maximum inflation pressure. 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. Its a total joke, and is causing a lot of dramas. on the site(a tire service). Do I need engineering approval? Inspect for uneven bulges, cuts and cracks. Where you frequently drive Please choose a category from the left menu. The vehicles steering or suspension geometry may need to be checked. This area isn't so My request at DOTWA was rejected on this basis. This formula is used by the leading tyre manufacturers. Your tyres are the only part of your car that touches the road. The vehicle's steering or suspension geometry may need to be . Enhance grip and traction for safe braking and confident driving. The moment you change that, the engineering goes out the window. You will find that the Everest had its compliance rating changed to MC, so its not actually a passenger car. The sidewall is the outer wall of the tire, rather than the tread that contacts the road. Rim Diameter + 381.00mm. 198.75mm x 2 = 397.50mm. Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia So what happens when your tread starts to wear down? 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. We would like to hear: This 50mm is the total combination of body lifts, suspension lifts and bigger tyres. Thanks. You already have one wheel This post is referring to WA though. 2. Tire Calculator; Articles; Tire Glossary; API Data & Services . You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. If you are going to be lifting vehicles, you need to look at VSB 14. This applies to the central three-fourths area of a tyre's circumferential tread and across its entire circumference, all the way around. Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. Bridgestone Desert Dueler D697 - LT285/65R17 120S - That's a 120 load index = 1,400kgs and S speed rated = 180kph. You might think this doesnt apply because your car looks like a 44 is 44 but apparently Ford Everest is category MA ! 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. 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. Tires are manufactured with the tire size printed on the sidewall. It's time to get a new set of tyres to avoid possible blowouts and accidents. There are a heap of grey areas when it comes to 4WD insurance, and youve highlighted one of them! Insert the coin into the tread grooves on your tyre. Many also refer to the National Code of Practice and VSB 14, but there are also some state regulations that can differ. Load index, Rim width and measuring rim for tyre size chart, Tyre width for rim width chart. Can anyone with experience or knowledge about a 99 Hilux tell the max size tyres i can go without any dramas? that says that the new tire diameter has to be in a certain range in relation to the entered tire size(which A lot of people know their 4WDs are illegal, and dont seem to care. Any thoughts? 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. 7.00-16. Legally in Australia, tyres must have a minimum tread depth of 1.6mm. 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 . 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. 5) Load index (the maximum load capacity of the tire) 6) Speed index (the maximum speed of the tire) When using a tyre size comparison tool, it's important to know the difference in the outer diameter. You can measure this, but yes, 50mm maximum in diameter increase, and width you can go as wide as you want, as long as its covered by flares. This is a tyre size chart i saw at a 4wd shop workshop the other day. Check out our guide for answers to all your questions. You may also like to try the Tyre Size Calculator. Tire Deals/Promos Readers Rides Contact. The sidewall height or "aspect ratio" of a 285/75/R16 tyre is 75% of 285mm. 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. Though your tyres will really wear out over time, there are some factors that can accelerate the process. hmK0%XACj 28,6/i! @ QPRH>R3+s6nn|. I live in Victoria, Youll need to go to the local road authority website and see what they use. I cant answer your question about whether they factor actual size, or theoretical size. If youre intending to modify your car so it rides low, its recommended you ensure it still meets legal requirements. Use this page to work out the radius, circumference and diameter of any size tyre. Notice: When practicing Plus Sizing methods, changing tyres and wheels, 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. Suck it guys. TAKE NOTE: Tyre manufacturers recommend that you don't allow your tyre tread depth to go below 3 mm for added safety. Wheel/Rim Size Calculator in which This site is protected by reCAPTCHA and the Google Privacy Policy You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. 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. What are the shipping charges to my area? By J. ames Cleary -25 Feb 2023. . Tire is 5 mm closer to suspension components. and Terms of Service apply. Is the 8.25-16 on toyota 80 legal regardless the actual diameter? Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. The factory size of toyota 80 is 7.5-16 or 275/70/16. For finding the appropriate wheel for the tire size you may use our The GU would be one of few that can legally run 285/75r16 or equivalent these days. Ive written a very, very simple guide that explains it all: Towing capacity; a simple guide to keep you legal. We offer Nitrogen inflation for all passenger cars, light trucks and SUV/4WD's. 31X10.5R15. South Australia has a regulation: The overall diameter of a wheel and tyre fitted to a vehicle must not be more than 50mm (4WDs) or 15 mm (other vehicles) larger than the largest tyre size listed on the tyre placard. By fitting a lift kit, your center of gravity increases. Any accidents caused by illegal tyres may not be covered by your insurance company. I have a 2012 hilux sr, I wanted to get a 2inch lift with 32 inch tyres. . The skinny tyres fitted to the cheaper models are actually taller than the wider tyres fitted to the GXL. Id like to know that Im not sharing the road with people who are driving unsafe vehicles. In WA, you can only lift the roof of your vehicle 50mm total, in combination of suspension lift, body lift and tyres. 7.00R16. while keeping an overall diameter and a circumference of the new tyre approximately the same as they Note: Tyres showing wear on one side, or showing feathered edges to the tread pattern, are often indicative of mechanical maladjustment. Just type in a metric or standard size tyre and click calculate. 378 0 obj <>stream Now, I understand this post may get your blood boiling a bit, and I totally understand. Youll have to ring the department of transport over there and ask. =Dbz1a|m QB!A>W5_4Q. Example requiring certification: Fitting an alternative fuel tank or repositioning of an existing fuel tank to non-original mounting points. Find the right tyre size for your vehicle or learn more about tyres, Tyroola offers free shipping and delivery to selected metro areas, At Tyroola you can fit out your whole car under $160. If you are considering replacing your tires with a different sized tire, you can conduct a size comparison, which can help you determine what alternate tire sizes will work on your vehicle. and the legal obligations on vehicle owners, and every attempt has been made to ensure the . Disclaimer: This page will calculate metrics for informational and general comparison purposes only. The sidewall heights are:- 265mm. A very useful tyre calculator when searching for tyres that are a different size than stock. Its not worded very clearly, is it? The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. Youd think they wouldnt worry too much, given that most tyre manufacturers vary their sizes anyway. Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. The sidewall height is a percentage of the width of the tyre. 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. No, I would say you cannot. If caught driving an illegal tyre, you will receive afine and demerit PER TYRE below the legal limit- which varies per state/territory. For more tyreand wheel information check this PDF. I have a BT50 and am wanting to increase my tyre size (265/65/17 0r 776.3mm) whilst staying within the 50mm limit. Example not requiring certification: Fitting a replacement fuel tank of equal capacity using the original manufacturers mounting points. There are plenty of big, engineered 4WDs around so its not always unsafe. For those of you out there that are running bigger than a 2 inch lift, your vehicle is illegal. 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). At 54.5mm bigger in diameter than the stock tyres they . But thats illegal. 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. 3. the tire and wheel has to be adequate for your car. 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. This is an increase of 25mm over the previous Queensland rule that allowed a total of only 50mm (suspension) lift on ESC-equipped 4WD vehicles. Download Article. Column "Diff" may have percentages in the range from -3% to +4%(+5% for Winter tyres), which are allowed. legal tyre size calculator nsw. A tyre tread depth gauge is a handy measuring tool that you can use to measure the tread depth of an individual tyre. It is 15.2mm larger than that of 225/40/18(637.2mm). 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. Legal Disclaimer Tire Pressure Calculator Limitations. I'm in NSW the anal state . . When using a tyre size comparison tool, it's important to know the difference in the outer diameter. Discover our interest free finance options. Vehicle Standards Information . 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 . Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. 165R13. 3) Radial construction. Thread starter mikehzz; Start date Dec 16, 2016; M. mikehzz Well-Known Member. A race 225 width tire on a 6" wheel will perform better than a street 225 width tire on 7" or 8" or 9" wheel, or a street 245 width tire for that matter (if the car has enough horsepower). In WA you can find it online, but I cant see that for SA. Your tyre size can be found on the sidewall of your existing tyres. It possibly is correct, but itd be good to know for sure. I think ive understood that the diameter cannot exceed 50mm, what about width? Cause theres no were in geraldton that is willing to do it cheers. 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. Hi All, Learn about all terrain tyres and when theyre best used. 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. 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? Many 4wds over here are modified, my 2012 hilux has 31s and a 2 lift. Section width x 75% (the aspect ratio) x (two sidewalls): 265 x 75% = 198.75. Larger wheels and tyres may look sexy, but make sure they adhere to the law and keep your insurance company happy. Do the same for another set you want to compare them with. Can you travel Australia on $800 per week. Tyres must also meet several test standards, including resistance to bead unseating and tyre strength, as well tyre endurance and high-speed performance. 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. 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. Wheel Fitment API ; . If anyone has more that they kno let me kno and ill add them on. It probably is over regulated, but it does stop a lot of people doing stupid things too. just curious Its something that can change your life very badly for a long, long time, and if you accept this risk then I honestly think you are foolish. %PDF-1.6 % Plus Sizing your tyres can be also referred to as stepping up. In order to cover yourself, get any modifications that are outside of the regulations engineered. 7. 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. Details. The Police have a responsibility of pulling vehicles over that they deem to be un-roadworthy. It will take longer for your brakes to stop the car on wet surfaces. This is not the only legal tyre size. Tyre dimensions explained. An Xtrail will go to a lot of places. I dont see it changing any time soon! I know, fake 44, but Im on a budget! original equipment(OE) tyre, Id also probably avoid going for steel wheels unless you want to increase your fuel consumption. Fact is though, lots of 4WDs across Australia arent legal. Example: 195mm. Plus One, Two and Three; at the same time, by clicking on the "Show Plus One, Two 'n Three Tyre Sizes" - the blue button. Upsizing or fitting taller / larger tyres will reflect a slower speedometer reading than your actual speed. Again, the purpose of these calculators and charts isn't to give the final verdict what is the best for 14 inches - 10 tyres. Tire Size Calculator is an app that gives you concise info and intuitive interactive ways to help you: 1. Cheers. Guide to safely buying & selling a car online, Video: Police Highway Patrol car rolling on bald tyres, man claims, Tesla overtakes Ford in US brand loyalty survey, Tesla admits its semi-autonomous driving tech is not the worlds most advanced, Drive Car of the Year 2023 all the winners UPDATE, Vehicle emissions kill ten times more Australians than the road toll, research claims. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not required. For example, in some parts of Australia you can legally run 50mm bigger tyres with a 50mm lift, but not in WA. Let us know about your Tread wear indicators are little raised notches of tread moulded into your tyre's tread grooves. Need vehicle servicing, repairs, accommodation and more for your business vehicles? When your tyre tread wears down and becomes flush with these indicators, your tyre has reached the limit of its safety. In regards to breaking the law, I dont think so, but confirmation from your local road authority would put your mind at rest. select OE tyre size. 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. Select your tyre size and find the right car tyre for you. you guest it its all about the weakest vehicle manufacturer in the group.
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