addison Posted February 23, 2008 Share Posted February 23, 2008 hi guys What is the best tyre size for 18'' wheels on a 2.5 WRX 06 are they 100 pcd Thanks Link to comment
dano17439 Posted February 23, 2008 Share Posted February 23, 2008 hi guysWhat is the best tyre size for 18'' wheels on a 2.5 WRX 06 are they 100 pcd Thanks If the wheel is 18 x 7.5 then 225/40/18 If the wheel is 18 x 8 then go for 235/35/18 Link to comment
thewelsho Posted February 23, 2008 Share Posted February 23, 2008 If the wheel is 18 x 7.5 then 225/40/18If the wheel is 18 x 8 then go for 235/35/18 What do the values 7.5 and 8 refer to? Link to comment
thewelsho Posted February 23, 2008 Share Posted February 23, 2008 hi guysWhat is the best tyre size for 18'' wheels on a 2.5 WRX 06 are they 100 pcd Thanks PCD is not a factor in tyre sizes. If you imagine a circle, where the circumference of the circle passes through the centre of the studs and then measure the diameter of said circle; this gives you the PCD of your wheels. In STi models from 05 onwards, this was extended to 114.3mm to make a stronger attachment of the wheel to the hub. Link to comment
addison Posted February 23, 2008 Author Share Posted February 23, 2008 PCD is not a factor in tyre sizes. If you imagine a circle, where the circumference of the circle passes through the centre of the studs and then measure the diameter of said circle; this gives you the PCD of your wheels. In STi models from 05 onwards, this was extended to 114.3mm to make a stronger attachment of the wheel to the hub. thanks i did know what PCD ment but was not sure if the 06 WRX was 100 or 114.3 7.5'' or 8'' is it not the width of the wheel Link to comment
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