needle bearings on the sector shaft in the housing you are changing instead if a bushing. ford did it for one year i believe, 36, then went away from it. some guys like it some dont. the thoughts are the bearing does not travel enough, and therefore wears needle marks on the sector shaft. your improvement from 11 to 1, to 15 to one will be like power steering. i like the idea, never heard of it before, and can see one in my future. 34 steering shaft is smaller, i made a shim from a paint thinner can to put a model a steering wheel on a v8 shaft. most likely will need a custom light switch rod. you could also mill the sector shaft square if you wish to use the A pitman arm, i would just use the v8 arm myself