Comparing the 40's turning radius to an 80 and hundie is apples and oranges. When you go from leaf springs to coil springs there is more room to turn the tires. if you add bigger tires and really turn in the stops your tires will be rubbing the springs or frame when your suspension articulates...
Actually, if you move the lock nuts to the back side of the boss, you can get a whole lot of turning angle if the gear box or pitman arm will allow it.
BUT, 'Backing off" the stops comes with its own risk. The further you allow the knuckle to turn the more you risk blowing up a birf.
Reference is to the LS conversions I have been doing lately. Growing up as a baby boomer I was very much an old school SBC guy, but after putting an LS in my personal rig I was hooked. I already have another swap in the wings.
And I like potato chips :p
Rubithon has plenty of novices every year. Trail leaders and their committee members are patient and gentle :) . We had a guy bring his largely stock FJ Cruiser last year to fulfill his bucket list.
You would definitely be in the running for the Iron Butt award.
Here's a little before and after for the front crossmember.
Turns out there was enough of the original frame member to tie in the new steel without having to dig into the riveted portion. Welds are full penetration with backing. It still needs a hole and P/S bracket. I'm using 4x4 Labs P/S...
Have you talked to Luke at 4x4 Labs. If I was going to modify a set of steering arms (and I have) I would start with his. He can bend (or not) to accommodate various needs, and since they are made from plate steel (not cast), modifications are pretty easy. Adding width for the extra studs seems...