i drive a fullsize 74 f250 ,im in street stock class ,licensed and insured no boggers ,up to 44" tires ,yes there's like about 8 classes,most of those fords in the beginning of the video were in 700 class, most of them run 150 shortboxes with bed removed and run stroker big blocks ,the guy in the blazer that went flying is in the 900 or open class