When we think about NSU Hell, we usually think about the NSU Wankel Spider, the first production vehicle to boast a kinda-functional Wankel engine. However, NSU made piston-engined machines as well, and you could be the first in your city, state, and maybe time zone to have one! Where on earth could you possibly find one for your next project, you ask? On eBay, of course, where a '67 NSU Type 110 awaits you! The seller claims there's not much rust, though you will find "a number of dents." The engine doesn't work, but you get a whole bunch of parts- hey, with 15 pistons to choose from, you should be able to find one good set, right? No title, car rolls "with some friction." Easy!
That NSU would be a hoot, but say you're looking for something with more