I guess it depends on location .... No windshield ... no fenders ... no hood ... Hmm, just remove your muffler and then you'll have the average daily driver around here ...

Seriously, though ... I think all of us who've done a frame off resto made a few test drives as soon as the vehicle was mechanically able to move under its own power. Here's a shot of Cosmo and Grigg returning from a ride around the neighborhood in Grigg's in-progress 6400 diesel conversion project...