05-07-2018, 10:02 PM
The Girling hubs do not require a blind reamer which is a huge convenience, esp where non standard sizes involved. An adj reamer with guide can be used by a skilled person. The original kp was slightly under .5” to give clearance in a standard reamed .5 inch hole, and the axle eye was smaller still to give tight fit. Present kingpins often slightly thicker, and many oversize exist. In theory loose bushes may fit over the pin; usually generous metal is allowed which is convenient as most hubs are now misaligned to some extent, altho it makes reaming more difficult. The prime problem is the state of and fit in the axle eye and this needs to be sorted before all else. (In this country any heating welding is technically illegal and needs to be masked although all have been heated in the past. An eye reinforced with weld can hardly be less strong)