Aha, this clears something up zakspeed65
I had never heard of zak escort gp5 living in Russia! But of course it turns out you're the guy in australia who does such a great job rebuilding the car; I've seen lot's of photos in a photo album on the internet! Could it be that your car was also the Ringshausen escort gp5 car? I can't find a photograph at the moment, but I will come back with one to show you.
BTW, you have spoken with the german with the polish name haven't you
?