TRUCK STARTS TO HAVE A VIBRATION AND AT HIGHER SPEED GETS WORSE BY THE TIME YOU THINK IT MAY BE A BAD TIRE YOU MAY GET PULLED OVER BEFORE IT BLOWS OUT OR IT BLOWS DOING EXTENSIVE VEHICLE DAMAGE BEFORE YOU GET STOPPED. BETWEEN 04/15/09 TO 08/16/12 I PURCHASED 6 UNIROYAL LAREDO 265/75R16 TIRES FOR 2003 F-350 FORD TRUCK. ON 9/15/2910 A TIRE SEPARATED AND HAD A HUGE KNOT AND ADJUSTED WITH A NEW TIRE. ON 8/16/2012 ANOTHER TIRE SEPARATED AND HAD A KNOT IT WAS REPLACED AND ADJUSTED WITH A NEW TIRE. SINCE 2012 EVERY ONE OF THE 6 TIRES HAS SEPARATED AND HAD A KNOT. 2 BLEW COMPLETELY BEFORE I COULD GET STOPPED DOING EXTENSIVE VEHICLE DAMAGE. THE LEFT FRONT BLEW OUT IN MAY OF THIS YEAR TAKING ME DIRECTLY INTO INCOMING TRAFFIC AND ALMOST HITTING A COUPLE HEADON ON A MOTORCYCLE AND THEN ENDING UP IN THE INCOMING VECHICLES ROAD DITCH AT 65 MPH. THE TIRE STORE RECCOMENDED TO NOT USE THE UNIROYAL LAREDOS BECAUSE THIS HAS BECOME A COMMON QA ISSUE WITH THIS TIRE. THE TECHNICIAN SHOWED ME WHERE THE TIRES START TO COME APART. I LEFT 2 UNIROYAL LAREDOS ON THE REAR WHEELS AND THE TIRE TECHINICIAN LOOKED AT THE TIRES AND HE SAID THEY STILL LOOKED OPERABLE IN LESS THAN 2 WEEKS LEFT REAR STARTED VIBRATING AND IT HAD A KNOT ON IT. SO NOW ALL UNIROYAL LAREDOS HAVE BEEN REPLACED WITH BFG TIRES. 6 OUT OF 6 TIRES ALL WENT BAD AND THE TIRE STORES KNOW THESE UNIROYAL TIRES ARE DEFECTIVE AND YET UNIROYAL HAS DONE NOTHING TO FIX THE PROBLEM OR RECALLED THE TIRE. THIS IS A EXTREMELY DANGEROUS S