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<blockquote data-quote="astroboy" data-source="post: 547052" data-attributes="member: 4527">[PHP]Specification&nbsp; Sidewall&nbsp; Radius&nbsp; Diameter&nbsp; Circumference&nbsp; &nbsp; Revs/km&nbsp; Difference225/45-17&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 101mm&nbsp;&nbsp; 317mm&nbsp; &nbsp;&nbsp; 634mm&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1993mm&nbsp; &nbsp; &nbsp; &nbsp; 502&nbsp; &nbsp; &nbsp; &nbsp; 0.0% (Stock)245/40-17&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 98mm&nbsp;&nbsp; 314mm&nbsp; &nbsp;&nbsp; 628mm&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1972mm&nbsp; &nbsp; &nbsp; &nbsp; 507&nbsp; &nbsp; &nbsp;&nbsp; -1.0% (Staggered rear)235/35-19&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 82mm&nbsp;&nbsp; 324mm&nbsp; &nbsp;&nbsp; 647mm&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 2033mm&nbsp; &nbsp; &nbsp; &nbsp; 492&nbsp; &nbsp; &nbsp; &nbsp; 2.0%285/30-19&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 86mm&nbsp;&nbsp; 327mm&nbsp; &nbsp;&nbsp; 654mm&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 2053mm&nbsp; &nbsp; &nbsp; &nbsp; 487&nbsp; &nbsp; &nbsp; &nbsp; 3.0%[/PHP]Rule of thumb is rolling circumference must not exceed +/- 3% for speedo meter to report a realistic speed, and the above options seem compliance.Overall tyre diameter increases from 634mm to 654mm, you should experience an extra 20mm ground clearance at the rear, but 13mm for the front. :4:Best check with those who are currently running this setup because our DSC is very sensitive and can only work within specific tolerance. Another safe bet is refer to your B-pillar tyre size and air pressure reference label.</blockquote>

[QUOTE="astroboy, post: 547052, member: 4527"] [PHP]Specification Sidewall Radius Diameter Circumference Revs/km Difference 225/45-17 101mm 317mm 634mm 1993mm 502 0.0% (Stock) 245/40-17 98mm 314mm 628mm 1972mm 507 -1.0% (Staggered rear) 235/35-19 82mm 324mm 647mm 2033mm 492 2.0% 285/30-19 86mm 327mm 654mm 2053mm 487 3.0%[/PHP] Rule of thumb is rolling circumference must not exceed +/- 3% for speedo meter to report a realistic speed, and the above options seem compliance. Overall tyre diameter increases from 634mm to 654mm, you should experience an extra 20mm ground clearance at the rear, but 13mm for the front. :4: Best check with those who are currently running this setup because our DSC is very sensitive and can only work within specific tolerance. Another safe bet is refer to your B-pillar tyre size and air pressure reference label. [/QUOTE]

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