Brightonuk Posted November 15, 2019 Share Posted November 15, 2019 Hoosier have a deal on these but I am not sure they will fit 210/550R13 WET HC275/570R13 WET HCI am running 205/60/13 and 185/60/13 nowAny help?Thanks Link to comment Share on other sites More sharing options...
aerobod - near CYYC Posted November 15, 2019 Share Posted November 15, 2019 It depends on your wheel size. I'm running Hoosier slicks in the following sizes:190/530R13 S80 (Tyre code 43548) on 6" wide front wheels, tyres are 198mm wide. 215/530R13 S80 (Tyre code 43549) on 8" wide rear wheels, tyres are 224mm wide.Both these tyres are about 46mm smaller diameter than the 195/50-15 road tyres I use, but the 23mm drop in ground clearance works well on the track where I don't have any obstacles such as speed bumps to clear (road ground clearance is about 75mm, track about 50mm).Bear in mind the Hoosier radial track tyres width in the tyre spec when the tyre diameter is specified in mm, is the nominal tread width and not the tyre width. The tyre sizes you are showing would need an 8" to 10" wide front wheel and are equivalent to a 265mm wide tyre, the rears require a 10" to 12" wide wheel and are equivalent to a 315mm wide tyre. You may also need to drop the rear suspension by about 9mm to keep the same ride height front and rear, although it does look like you are already running 36mm larger diameter rear tyres than front. Standard Caterham wings won't come close to covering these tyres and you would need spacers to clear suspension components with the fronts being 80mm wider than the current fronts and the rears being 110mm wider than the current tyres.Here is the Hoosier spec sheet: https://www.hoosiertire.com/assets/Circuit%20Specs.pdf Link to comment Share on other sites More sharing options...
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