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. 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. Click here. New Size. This is not the only legal tyre size. Disclaimer:Tyre interchangeability is not always possible, so be sure to Therefore you need to find 20" tyres with a rolling distance that falls between 651.4mm and 679.4mm to be legal. call us on 1300 367 897 or search by vehicle registration below. Need vehicle servicing, repairs, accommodation and more for your business vehicles? Not every modification will make your 4WD more capable; there are a lot of Downsides to 4WD modifications that people dont think about. Would be much appreciated. And I just have the third party insurance, My car is not covered by the policy. 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? By fitting larger tyres, your braking capacity is reduced. Load index, Rim width and measuring rim for tyre size chart, Tyre width for rim width chart. Youll have to ring the department of transport over there and ask. 3. This is why knowing how to measure your tyre tread is so important. please pay special attention to the following: wheel size, i.e. Tire Size Comparison. 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. The sidewall height is a percentage of the width of the tyre. the 285/75R16 is a legal tyre . This area isn't so Use the comparison tab to see side by side comparison and speedometer error. Tyre tread also helps to: Drain water so your tyre stays dry to avoid any accidents. Outside Diameter = 778.50mm. Let us know about your CS|Cycling-Sport's tire pressure calculator is to be used as a reference tool for end-users. I believe Vic can go 50mm bigger diameter on tyres and a 50mm suspension lift, so a 75mm lift overall, What about Tas? Tire is 5 mm closer to suspension components. Wider tyre may require wider rim; road regulations may say permitted rim width is +/- 25mm from . Heres a guideline to whats legal in the major states of Australia. 185/70R13. Im in WA and have a Suzuki Grand Vitara Prestige. At the end of the day the driver makes most of the difference. =Dbz1a|m QB!A>W5_4Q. you guest it its all about the weakest vehicle manufacturer in the group. 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. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3). Base on the information you gave me 1 year ago: they go off the size listed, not its actual measurement. Width (A) - The tyre width measured in millimetres. (+5% for Winter tires) of the difference between the OE overall tyre diameter and the OE wheel diameter Using our Tire Size Calculator, you can get exact measurements for your current tire size. 265/70 R16 - 30.7" 265/75 R16 - 31.6" 275/70 R16 - 31.2" Tire Size Calculator - tire & wheel plus sizing courtesy of 1010tires in Canada . Your new tyre is more than 15mm taller - check that's legal, usually limit is +15mm for cars, +50mm for 4X4s. But do your own checks first because there is a 24 xtrail version. The size should be printed underneath the tire manufacturer name, just above the rim of the tire. Here's a guideline to what's legal in the major states of Australia. The sidewall height or "aspect ratio" of a 285/75/R16 tyre is 75% of 285mm. My tyre placard lists three sizes: 205/55/16, 225/45/17, 225/40/18. The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. I think there is going to be a lot of cracking down in the near future! Find your tyre size based on its sidewall code. 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, A long-lasting summer tyre designed for vans and other people movers. of replacing a wheel with a larger one and mounting a suitable tyre on that wheel, the tyre with a Alternatively ring them. eg. 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. Your tyres are the only part of your car that touches the road. Hi All, dimension, the wheel diameter, but you also need to know the wheel width. Hi Aaron, Learn about all terrain tyres and when theyre best used. size and click on "Show Optional Tyres for the New Wheel" - the orange button. To find alternative tyres, simply click on each size to see what Tyroola has available. Cause theres no were in geraldton that is willing to do it cheers. Can you travel Australia on $800 per week. select OE tyre size. Do you know of any engineers in SA that could sign off a 4 wheel drive? Wheel Fitment API ; . Column "Winter tyres only" that has an asterisk in a table row, means that the row tyre size is acceptable only for The formulas will also show you the matching ExplorOz Wheel covers that match your tyres. 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. Any more than this and you face the risk of brake failure. Rim will stick out 18 mm farther. 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. any chance you could help me out mate? The 285 is actually 7mm too big. wheel diameter, width and offset, It can also go the other way, adversely affecting the way a car behaves on the road. If you have any questions about tyre sizes, please give us a call on 02 8880 4628 or you may find this online tool helpful. 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. This post is referring to WA though. Find the sticker (usually on your drivers door framework) and see what it says. do it properly and get it engineered stop bring the heat on everyone that does it correctly I have a jeep wrangler thats lifted 3 inches and with the correct guards all engineered didnt cost much engineering was only 600 through double black off road melb, Good to hear its all done properly mate. 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. Transport for NSW VSI.09, Rev. In order to cover yourself, get any modifications that are outside of the regulations engineered. 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%. This is the maximum legal lift kit height in WA as long as you run the factory size tyre. Youd think they wouldnt worry too much, given that most tyre manufacturers vary their sizes anyway. 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. 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. 4, issued 1 March 1994 Page 1 of 7. 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. %. Look at your existing tyres and enter their size into the calculator. Enhance grip and traction for safe braking and confident driving. Inspect for uneven bulges, cuts and cracks. The overall diameter of the wheel and tyre combination cant be more or less than 15mm larger or smaller than specified on the manufacturers tyre placard. I think the tyre size thingy applies to the biggest tyres fitted to the model. Tires are manufactured with the tire size printed on the sidewall. While it may sound simple just to increase the diameter of your wheels, as you . There is a government website that most workshops have access to, which gives you all the detail you want about roof height. It will take longer for your brakes to stop the car on wet surfaces. 5 - supersedes Rev. The GU would be one of few that can legally run 285/75r16 or equivalent these days. Insert the coin into the tread grooves on your tyre. 5) Load index (the maximum load capacity of the tire) 6) Speed index (the maximum speed of the tire) 14 inches - 10 tyres. 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. The biggest tire you can fit on a MR Triton with stock suspension and stock rims are 235/85/16. Section width x 75% (the aspect ratio) x (two sidewalls): 265 x 75% = 198.75. 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. 185R14. Why Buy Tires Online? Steering and suspension issues This site is protected by reCAPTCHA and the Google Privacy Policy Price Beat Guarantee Specials View Cart (0) Toggle navigation. Tyre Repair If you want more information, check out our page covering 4WD Legalities. Thanks. Just type in the metric fields and click convert to inches. Every tire size has the measuring rim and the approved rim width range. Find the series of numbers on the sidewall. 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.
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