A recent post on the Solidworks email group was from someone who claimed to have solid
modeled a 57 Chevy. A request for confirmation was met by silence. It is doable. Quit messing with all the low buck packages. If you keep your eye out, you can get an introductory or student I was able to take Unigraphics, SDRC Ideas, and Catia at Macomb and Oakland Community Colleges. I used SolidWorks in an MCC class. MCC is offering SolidWorks classes now.
copy of SolidWorks. This is a commercial quality product.