Only see one Pontiac powered car at this race. It is the yellow Hoefer G/SA '73 Formy. For the last couple of years, the driver has been listed as C.W. Hoefer. On this list, the driver is listed as Sacha Hoefer. So, Sacha is obviously kin to C.W. Sacha is in #5 position.
https://www.dragracecentral.com/DRCS...er=30#indextop