@William Jack posted:UKAFLYER........ I solved this problem by installing the the bushing over the small side of the axle and pressing the bushing in.....then pressing the other bushing in place.....no drilling......
Are you thinking of the early Gilbert chassis with early steel type bushings?
That should have been how Lionel did the job but they didn’t. I just machine out the Lionel chassis in full and install full width bearings.