http://forums.ubi.com/messages/message_view-topic.asp?name=Olegmaddoxreadyroom&id=zyvje&tpage=1&direction=0 :
Отсюда
I am sure that Soviets were totally wrong if they thought these are the maximum powers for D-9 they were using. OF course they didn`t have the documentation, they didn`t have knowladge of the plane, and they tested all planes without MW-50 and fuel injection.

Мне кажется, что его аргументы достаточно весомы.
Хотя, сейчас у нас в стране архивы открыты, и любой желающий может спокойно достать инфу по ним.
Я предпочитаю доверять официальным документам.
Конечно, хотелось бы видеть наши документы.
Хех. А ниже -

   
Russians not only have a lot of experience with German engines - they also had complete sets documentation for German engines and planes captured and in addition they have GERMAN ENGINEERS AND TECHNITIANS working on a testing of captured equipment.