Peter Knights - a South Australian motor sports enthusiast, keen photographer and a representative of Castrol Oil Co. has shared some of his circa 1967-70 Mallala images with us. Peter does not have facts or captions so ID help would be appreciated.
Contact me at : bdarby@bigpond.com 
Doug Whiteford (centre) and John Roxburgh (right).
9 Ian Richards in a Viper.
# 25 John Walker - Elfin.
Car # 60 - the Olypus - Ralph and Eric Boord.
Car # 111 - the Zephyr of Alan & Dean Nitschke
Thank you to David Jarrett for some car/driver IDs.
Les Simpson in the Dalton Honda S800 # 79
# 79 Les Simpson in the Dalton Honda S800