It's the step file I downloaded. I can convert it to a dwg for you no problems.
Glad to help after your offer of the tank drawings.
I'll do all the views and send you the drawing. Just let me know your email.
I have some other parts too if you want them?,like the front spindles and ball joints, I got them from here
http://locostcadfiles.wikispaces.com/
If there are any others you want I'll convert those too just let me know.
If you know of any other sources of 3d models I would be interested in seeing them. Im trying to model as much of the car on the computer so I have a better understanding of it to make the most of the limited time I can spend working on the real thing.
Cheers
Andy