Packard Forum Index » Pre-War (1899-1942)

I think the pins are case-hardened, so machining or grinding may not be an option. (?)

Under-size bushings make assembly difficult, since the standard size portion of the pin will not pass through the under-size bushing(s).

I had the same problem. I just went to a machine shop that deals with large trucks. SOP for them to sleeve axle ends on trucks to fit standard size kingpins. Those large rigs beat the heck out of their front ends.
Had it done in two days due to shop load, may take longer/shorter depending on who you find. Check your local yellow pages/search engine for machine shops in your area and call them with your needs. It will mean removal of the parts to transport them to the shop.
Like it has been mentioned already, NO play is allowed in the axle or by the time you get to the OD of your tire it will wobble uncontrollably and affect all aspects of steering, braking, and tracking along with ruined (and expensive) tires.
Bob J.