- M ixon ▁switched ▁to ▁the ▁No . ▁ 2 4 ▁in ▁ 2 0 0 4 ▁and ▁after ▁the ▁A aron ' s ▁ 3 1 2 , ▁he ▁was ▁released ▁from ▁the ▁team ▁and ▁replaced ▁by ▁Sh ane ▁H m iel . ▁He ▁made ▁two ▁more ▁starts ▁that ▁season , ▁his ▁best ▁finish ▁being ▁ 3 3 rd ▁at ▁M emph is ▁Mot ors ports ▁Park ▁for ▁O ost land er ▁Racing . ▁In ▁ 2 0 0 5 , ▁Harm on ▁and ▁O ost land er ▁purchased ▁part ▁of ▁the ▁assets ▁of ▁In nov ative ▁Mot ors ports ▁and ▁ran ▁the ▁first ▁four ▁races ▁of ▁the ▁season ▁in ▁the ▁No . ▁ 2 1 ▁Che v ro let ▁Silver ado , ▁before ▁foc using ▁mainly ▁on ▁AR CA ▁racing . ▁Harm on ▁attempted ▁a ▁Bus ch ▁Series ▁race ▁later ▁in ▁the ▁year ▁at ▁M emph is ▁for ▁Bobby ▁Nor f le et , ▁but ▁did ▁not ▁qual ify . ▁ ▁Harm on ▁returned ▁to ▁NAS C AR ▁in ▁ 2 0 0 7 , ▁driving ▁the ▁No . ▁ 4 4 / No . ▁ 4 8 ▁car ▁for ▁Richard son - N etz lo ff ▁Racing ▁in ▁the ▁Bus ch ▁Series . ▁He ▁made ▁seven ▁races ▁with ▁a ▁best ▁finish ▁of ▁ 3 8 th ▁before ▁hand ing ▁the ▁ride ▁off ▁to ▁Jenn ifer ▁Jo ▁C obb ▁late ▁in ▁the ▁season . ▁He ▁attempted ▁a ▁full ▁season ▁in ▁the ▁No . ▁ 8 4 ▁Che v ro let ▁field