My dad Roger used to race a Saab and Renault Gordini at Nakuru - I have a bunch of photos (and I remember my Dad making mention to the DKW on numerous occassions) so I'll take a look through for you...
P.S. How do I post pics to the site???
I lived in Nakuru and as a teenager used to go to the races regularly. I am collecting pictures of racing at the Nakuru track and it would be great to have a look at your pictures. Hope you can put them on an image hosting website as suggested by Tim.