Power steering and manual steering have completely different requirements for shaft extensions. None of those would work for a manual rack.
That said - a lifted EA without power steering is lame - and your pictures and ideas are excelent and I completely approve of all of the designs you have come up with there. I hadn't noticed the Legacy double-u-joint units before in relation to a lited EA so that's something I will definitely take note of when I need to do this again.
When you have those welded - make sure to wrap the joint in a wet rag to prevent the heat from welding damaging the u-joint rubber boots, etc.
Hope nobody minds the revival of an old thread but this is the most pertinent thing I can find to my current situation.
I've got a manual rack on my lifted ea81 and I'm trying to get the steering linkage figured out. Why are the linkage requirements different? Just the force required to turn the wheels in a manual vs. power steering equipped car I'm assuming...
Here are my current possible strategies, please weigh in:
1. I've got an early legacy double u-joint unit on hand. I could extend the legacy u joint in the center by a few inches, remove the 'rag joint' near the rack and shorten the shaft bolted on top of the 'rag joint'. I think this would work well because it would minimize the abrupt angle I currently have between the steering shaft and the rack shaft. I was a fan of this option until I read this post and it says "None of those would work for a manual rack."
2. keep the rag joint, extend the shaft bolted to the top of it and use the original single u-joint. I mocked this up at first but I can't imagine I won't have some serious steering binding issues given the angle the two shafts will come together at.