pped ▁and ▁light ened . ▁In ▁ 1 9 6 4 ▁the ▁first ▁B ugs ▁( 3 0 ▁x ▁ 9 0 ▁frames ) ▁Super ▁Mod ified s ▁appeared . ▁These ▁featured ▁dr ast ically ▁cut - down ▁and ▁sometimes ▁custom ▁bodies ▁on ▁narrow ed ▁stock ▁frames . ▁Ken ny ▁W eld ▁ ▁shortly ▁built ▁a ▁Mod ified ▁for ▁Bob ▁We ik ert ▁featuring ▁light ▁t ors ion ▁bar ▁front ▁susp ension ▁and ▁down - force ▁wings ▁as ▁part ▁of ▁the ▁body work ▁while ▁Bobby ▁Ab el ▁built ▁a ▁t ube - fr amed ▁Bug ▁that ▁we ighed ▁only ▁ 1 2 0 0 ▁pounds . ▁The ▁modern ▁tub ular ▁fr amed ▁integrated ▁roll ▁c age ▁S print ▁car ▁emer ged ▁from ▁these ▁and ▁similar ▁develop ments ▁and ▁that ▁basic ▁design ▁has ▁now ▁domin ated ▁both ▁d irt ▁and ▁pav ement ▁racing ▁for ▁more ▁than ▁ 5 0 ▁years ▁. ▁On ▁October ▁ 2 0 , ▁ 1 9 6 3 , ▁the ▁" Big gest ▁Race ▁in ▁the ▁East ," ▁The ▁National ▁Open ▁was ▁born . ▁ ▁Event ual ▁two - time ▁Indian apolis ▁ 5 0 0 ▁winner ▁Gordon ▁John cock ▁would ▁be ▁the ▁first ▁winner ▁of ▁the ▁Open . ▁Ray ▁T ille y ▁would ▁obtain ▁a ▁record ▁that ▁is ▁still ▁in ▁place ▁today ▁by ▁first ▁winning ▁ 1 7 ▁races ▁in ▁ 1 9 6 5 ▁and ▁then ▁breaking ▁his ▁own ▁record ▁with ▁ 2 1 ▁wins ▁in ▁ 1 9 6 6 . ▁ ▁The ▁late ▁ 1 9