I also have an Opel Blitz 1964.
http://www.autodb.no/cgi-bin/car/detail.pl?nr=2148900The engine is OK, and its possible to drive it. I haven't done any to this car, I just sell as it is. Brakes works good - but the chassis is not so very nice. I also have one extra engine and gearbox to this car. It is wheel gear on booth.