The 1954 Shop Manual has an overhead-view drawing of a front axle. There is no forward bend in the axle.
[img]http://ares.cs.siena.edu/~lederman/truck/Photos/axletoein.JPG[/img]
The camber anlgle, as Truckernix described (out at the top by 1 +/- 0.5" for all size trucks), is shown below.
[img]http://ares.cs.siena.edu/~lederman/truck/Photos/axlecamber.JPG[/img]
Tim
