f-53 chassis with rear axle thrust out of whack

[independence2005]

My local RV repair shop tells me that their alignment machine shows the rear axle at .32 degrees and Ford specs are .15 degress. I took it to a Ford heavy truck shop (recommended by the RV dealer) where they supposedly checked it and claim the axle is off by 3/16 of an inch and that is acceptable. My question is anyone out there know the exact specs for rear axle thrust angle on a 208 inch wheelbase Ford f53? I expect the Ford dealer will try to continue to say the axle is OK so I want ammo to argue intelligently with them.

[independence2005]

My local RV repair shop tells me that their alignment machine shows the rear axle at .32 degrees and Ford specs are .15 degress. I took it to a Ford heavy truck shop (recommended by the RV dealer) where they supposedly checked it and claim the axle is off by 3/16 of an inch and that is acceptable. My question is anyone out there know the exact specs for rear axle thrust angle on a 208 inch wheelbase Ford f53? I expect the Ford dealer will try to continue to say the axle is OK so I want ammo to argue intelligently with them.