sentences:  Kenny Weld shortly built a Modified for Bob Weikert featuring light torsion bar front suspension and down-force wings as part of the bodywork while Bobby Abel built a tube-framed Bug that weighed only 1200 pounds.The modern tubular framed integrated roll cage Sprint car emerged from these and similar developments and that basic design has now dominated both dirt and pavement racing for more than 50 years .On October 20, 1963, the "Biggest Race in the East," The National Open was born.