Ready to 1st class post tomorrow Craig , once they're thoroughly dry. I've set them at 260mm centres but only finger tight . Use an adjustable spanner/flat grip to hold the rodend on the flat area/not sphere , when tightening or the rodend will move ' right ' of centre when real pressure's put on --- I then put a tippex mark across nut & insert so you've got an easy check of possible loosening
You've got a huge adjustment range --- the inner rodends can have 1/2 their 40mm length out of the insert safely.
The outer rodend being 5/8ths shank can adjust out 25mm of it's total 45mm safely.
BOTH THESE EXPOSED THREADS INCLUDE THE LOCKNUT
STRENGTH wise --- inner rodends 16,000lbs --- outer rodend 31,000lbs .
Castor can be increased by mounting the wishbone as far towards the front of the car as possible BUT not allowing the rodend sphere to rest directly on the mounting plate end --- leave , say , 1/8 th inch or 4mm. It can also be increased by exposing more thread on the rear inner rodend than the front rodend ---- this pushes the outer rodend towards the front of the car. SPACERS can be made OR simply washer them to position until you have the set-up you want.
I use some of each method --- narrow spacer in front of the inner rodends/wide behind them PLUS the rear rodend is further out than the front.
The further out the rear rodend goes --- the track becomes fractionally narrower NOTE
Let me know if you want rear arms or front ARB at a later date
