IrshadIglesias

hey guyz, yesterday i mod admiral.txd and admiral.dff with my new car mod 'Audi R8'. When i replaced admiral with Audi R8.it's ok.and working with good perfection.but its tyre size is two small. 6´4 how can make into suitable size? 6´4 which tool is using for it? 6´4 is this with a code? 6´4help me...