rode hundred miles one way for sum (gubmnt) paperwork,, all good,,, comin bac ,, not so good.. plugged a dunlap tire,,(looks to be a brand new one) 6 times in the same spot,, even put two plugs in one time.. so should i put a boot in this tire or get a new tire.. its a tubeless tire on 83 aspn,, . looks like almost a half inch crack,, on a diagnol.. sure doesn't seem to like tire plugs. ya,, drive tire,, thanx