I've actually found this to be quite handy.
In Blander there's a transform menu where you can put in the scale values that you see in the obj file. I'm not sure where this menu is in Blender 2.49 and below, but anything above has it in the Object Menu.
Quote:#AR=3.92157, FOV=21.03167(height), Xscale:0.72794, Yscale:0.18562, Zscale:1.0
In Blander there's a transform menu where you can put in the scale values that you see in the obj file. I'm not sure where this menu is in Blender 2.49 and below, but anything above has it in the Object Menu.