Ok my buddy has a 95 gt convertiable mustang with a 347 in it its all built up he has alot of money into this car... last year at the track he ran a 13.2 on street tires... he couldnt really hook up so this year he bought nitto 555r 315 drag radials And tonight he ran a 13.8, 13.4., 13.2, 13.4...