That sounds like a good check for toe in. All I can add is to make sure your camber is vertical so you don't trick your self into thinking the tires are toeing one way or the other when in fact they are just leaning that way.

Frank

1994 4runner, 3.0, auto, 4.88's, 31's, BJ spacers, Coil spacers, air shocks, D-ring anchors, 4Crawler F/R swaybar discos.
www.sdori.com