I've had my '71 GT for about 13 years. My only regret with this car is it has an auto transmission. Recently I found a donor car to get a 4 speed and other items needed to make the swap. I also have the list from the Opel Motorsports Club's website (I am a member) of all items needed. I also tried to contact OMC about reprints of several relevant articles (have not heard back from them, yet). A search through the threads on this web-site found several discussions of making the swap. Is there anybody out there who has actually has made this change? I'd like to talk with you about the procedure. I have a good friend who is a BMW mechanic who is going to help me, but any hints before starting would be appreciated.