PE 00 020/TIRE TREAD SEPARATION: 1998 FORE RANGER, ORIGINAL EQUIPMENT, TIRE SIZEP235/75R15, AND DOT# UNAVAILABLE. EXPERIENCED A TIRE BLOWOUT WITH TWO PASSENGERS AND DRIVER AT HIGHWAY SPEED OF 70 MPH. DEALER/FIRESTONE NOTIFIED , AND REFUSED TO CHANGE TIRE, EVEN UNDER WARRANTY. FEELFREE TO PROVIDE FURTHER DETAILS. *AK