Cab Install Alignment ?

[MadOgre]

Oh well. When I put the cab and front on to my new frame I planned on using new bushings anyway. Next year

 

[Greybeard]

Old thread but this my opinion. Measure from the rear frame stubs to the back of the cab at the bottom of the rear window. Assuming the rails are sort of straight and square with one another this should get the cab reasonably close to parallel and centered with the frame at least. If the rails are bad the cab will never be right.