hi so i'v had my defender 90 for about 6 weeks now and started straight away tarting her up,been doing the wheels as they are well rusty and have been doing them 1 a week or so,and so far i done 3.the wheels are white so all i'v done is rubbed down then used halfords spray primer and used the halfords spray white enamel,but noticed tonight that the 1st one has rust coming throught wtf! any advice as iv started on the suspension now and dont want the same to happen once i get the bars back on,should i of used a dif primer and brushed it on? please advise someone