Found a random post on a zuk site about increasing the steering angle on the sami axle by changing out the 4 shoulder bolts on the knuckle seals that act as the steering stops for flat-head cap screws:
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2 on the front and 2 on the back.
before and after front:
View attachment 359759 View attachment 359761
before and after rear:
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May not be much, but I'll take it. Cost less than 8 bucks from HD (M6-1.00 x 16 mm. Internal Hex Flat-Head Cap Screws). Hopefully it doesn't end up trashing something more important - I think the RCVs are good for the extra angle.
Also been doing more thinking on electric power steering. I wonder if it would be worth all the trouble to run an electric column into a 1.5:1 quickener down to a bigger manual box - most of the common mid size japanese truck manual boxes are like 6 turns lock to lock. Quickener would make them 4 turns. I could also run a power box (typically around 4 turns lock to lock) with the hydraulic lines looped. Just need to figure out how to get something beefier in there.