Hi guys looking for advice on tyre size, just got some merc segins 18" 8j front and 9j rear I'm looking to lower the car using KW v1 coil overs , don't want to slam in just so the wheels fit the arches nice, looking for a nice comfort ride also, what would be the best tyres size to use so I don't get any rubbing , need to get this right first time as funds are stretched , any help would be very help full thanks .