Re: steering click
I recently repaired a 1930 Coupe that had the same clicking symptom. Upon disassembly of the two-tooth unit, it was discovered that the sector teeth had such deep grooves worn in them from chassis grease having been used as the "lubricant", that there was actually a measurable gap between the teeth and the worm gear. When the steering wheel was turned initially, the click we heard was the gap being closed as the metal-to-metal teeth and worm gear ridges suddenly collided. Replacing the worm and sector gear solved the problem and also reduced steering slop significantly.
Once you disassemble your steering unit, you may find the sector teeth look like the ones in this photo. A new gear is positioned next to the well-worn one for comparison's sake.
Marshall
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