Norm Drazy, designed revolutionary PSI screw-type blower, passes away
Norman “Norm” Drazy, who developed the PSI screw-type supercharger that revolutionized Top Alcohol racing in the late 1980s, passed away in his hometown of Tempe Ariz., Oct. 3 afte
https://www.nhra.com/news/2019/norm-drazy-designed-revolutionary-psi-screw-type-blower-passes-away