last time i drove viva 1.0AT, using 14" sport rim, FC is quite good. but the wobbling is terrible when it reach 140-150km/h. there is one time that i cucuk viva 660cc at gua tempurung, perak. max speed he drive 180km/h, with 3 person inside. dayyumm...he got ball to drive with car like that. i overtake him at 180km/h...and he doing muka bangga ( ) with that speed...