I think I have shortened the two big rubber hoses to the t-case and moved that hardline junction back a few bolt hole positions on the frame.
Putting twin sticks in a vacuum shift case is a total waste of time - Toyota already did it for you
Your issue will be driveshaft clearance when you get to the exhaust crossover under the bellhousing - but with your SOA it should be fine.
I keep getting mixed up between yours and @Dubs2017 threads ! :)
cylinder head should be about 1" off firewall.
No worries with discarding steering column guard. Yes the pump is close but that is to have the correct crankshaft/chassis offset to match the original. Goal there is to keep u-joints/t-case outputs as original as possible to keep the angles as...
They are M10 1.25, about 20-25mm long
90119-10049, should be about $2.50 from the dealership. Or I can throw a few good used ones in with your order that's going out later :)
Check your input gear splines for wear before you get too far. Highly highly recommend a long spline input gear if you aren’t planning on doing 4:1 gears.
I have been recommending the opposite for FJ62’s. The stock crossmember and mount work perfectly where they are and out the engine in the perfect spot in the engine bay.
Which is where I designed my mount kit so sit, and shifter brackets to work etc