I may be wrong but I think 36 was the only year with needle bearings on the sector from the factory instead of a bushing. I know that is not much help. When you say "steering gear" do you mean the whole thing with a mast jacket or something apart or only the worm or sector? You might post pictures.
There were only two cross steer boxes with bolt in sector housings. 35&36. The 36 housing is bigger to accomadate the needle bearings.
I believe the 36 box is a bigger ratio. It would be 17 to 1. The 35 was 15 to 1. It would have 3.75 turns total. The 36 would have 4.25 turns.